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99890563 is a prime number
BaseRepresentation
bin1011111010000…
…11010110000011
320221221222002111
411331003112003
5201032444223
613525000151
72322025063
oct575032603
9227858074
1099890563
1151427293
1229553057
1317905a56
14d3a33a3
158b8230d
hex5f43583

99890563 has 2 divisors, whose sum is σ = 99890564. Its totient is φ = 99890562.

The previous prime is 99890537. The next prime is 99890569. The reversal of 99890563 is 36509899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99890563 - 29 = 99890051 is a prime.

It is not a weakly prime, because it can be changed into another prime (99890569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49945281 + 49945282.

It is an arithmetic number, because the mean of its divisors is an integer number (49945282).

Almost surely, 299890563 is an apocalyptic number.

99890563 is a deficient number, since it is larger than the sum of its proper divisors (1).

99890563 is an equidigital number, since it uses as much as digits as its factorization.

99890563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 99890563 is about 9994.5266521232. The cubic root of 99890563 is about 463.9895010382.

The spelling of 99890563 in words is "ninety-nine million, eight hundred ninety thousand, five hundred sixty-three".