88374644569 has 2 divisors, whose sum is σ = 88374644570. Its totient is φ = 88374644568.

The previous prime is 88374644563. The next prime is 88374644639. The reversal of 88374644569 is 96544647388.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88112204569 + 262440000 = 296837^2 + 16200^2 .

It is a cyclic number.

It is not a de Polignac number, because 88374644569 - 2²⁵ = 88341090137 is a prime.

It is a super-2 number, since 2×88374644569² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88374644569.

It is not a weakly prime, because it can be changed into another prime (88374644563) 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, 44187322284 + 44187322285.

It is an arithmetic number, because the mean of its divisors is an integer number (44187322285).

Almost surely, 2^88374644569 is an apocalyptic number.

It is an amenable number.

88374644569 is a deficient number, since it is larger than the sum of its proper divisors (1).

88374644569 is an equidigital number, since it uses as much as digits as its factorization.

88374644569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139345920, while the sum is 64.

The spelling of 88374644569 in words is "eighty-eight billion, three hundred seventy-four million, six hundred forty-four thousand, five hundred sixty-nine".