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988888888873 is a prime number
BaseRepresentation
bin11100110001111100101…
…11101111011000101001
310111112111100220111102201
432120332113233120221
5112200221023420443
62034142252500201
7131305405603024
oct16307627573051
93445440814381
10988888888873
11351426aa7726
1213b7a0a7a661
137233733a182
1435c108d21bb
151aacb07a34d
hexe63e5ef629

988888888873 has 2 divisors, whose sum is σ = 988888888874. Its totient is φ = 988888888872.

The previous prime is 988888888847. The next prime is 988888888891. The reversal of 988888888873 is 378888888889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 658064908944 + 330823979929 = 811212^2 + 575173^2 .

It is a cyclic number.

It is not a de Polignac number, because 988888888873 - 233 = 980298954281 is a prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (988888868873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494444444436 + 494444444437.

It is an arithmetic number, because the mean of its divisors is an integer number (494444444437).

Almost surely, 2988888888873 is an apocalyptic number.

It is an amenable number.

988888888873 is a deficient number, since it is larger than the sum of its proper divisors (1).

988888888873 is an equidigital number, since it uses as much as digits as its factorization.

988888888873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25367150592, while the sum is 91.

The spelling of 988888888873 in words is "nine hundred eighty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred seventy-three".