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8987099551 is a prime number
BaseRepresentation
bin10000101111010110…
…00100000110011111
3212012022210221220221
420113223010012133
5121401144141201
64043440422211
7435465041263
oct102753040637
925168727827
108987099551
1138a1a8aa01
1218a9917967
13b02bb44b1
146138180a3
15378ece4a1
hex217ac419f

8987099551 has 2 divisors, whose sum is σ = 8987099552. Its totient is φ = 8987099550.

The previous prime is 8987099549. The next prime is 8987099587. The reversal of 8987099551 is 1559907898.

8987099551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8987099551 - 21 = 8987099549 is a prime.

Together with 8987099549, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8987099551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8987099531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4493549775 + 4493549776.

It is an arithmetic number, because the mean of its divisors is an integer number (4493549776).

Almost surely, 28987099551 is an apocalyptic number.

8987099551 is a deficient number, since it is larger than the sum of its proper divisors (1).

8987099551 is an equidigital number, since it uses as much as digits as its factorization.

8987099551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 61.

The square root of 8987099551 is about 94800.3140870324. The cubic root of 8987099551 is about 2079.0894953987.

The spelling of 8987099551 in words is "eight billion, nine hundred eighty-seven million, ninety-nine thousand, five hundred fifty-one".