88831987057 has 16 divisors (see below), whose sum is σ = 97935247872. Its totient is φ = 79900485120.

The previous prime is 88831987021. The next prime is 88831987081. The reversal of 88831987057 is 75078913888.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88831987057 is a prime.

It is a super-2 number, since 2×88831987057² (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 88831987057.

It is not an unprimeable number, because it can be changed into a prime (88831987007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4393423 + ... + 4413595.

It is an arithmetic number, because the mean of its divisors is an integer number (6120952992).

Almost surely, 2^88831987057 is an apocalyptic number.

It is an amenable number.

88831987057 is a deficient number, since it is larger than the sum of its proper divisors (9103260815).

88831987057 is a wasteful number, since it uses less digits than its factorization.

88831987057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24408.

The product of its (nonzero) digits is 27095040, while the sum is 64.

The spelling of 88831987057 in words is "eighty-eight billion, eight hundred thirty-one million, nine hundred eighty-seven thousand, fifty-seven".