88802561331 has 64 divisors (see below), whose sum is σ = 145744220160. Its totient is φ = 52991124480.

The previous prime is 88802561327. The next prime is 88802561333. The reversal of 88802561331 is 13316520888.

88802561331 is a `hidden beast` number, since 8 + 8 + 8 + 0 + 25 + 613 + 3 + 1 = 666.

It is not a de Polignac number, because 88802561331 - 2² = 88802561327 is a prime.

It is a super-2 number, since 2×88802561331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88802561333) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5667550 + ... + 5683196.

It is an arithmetic number, because the mean of its divisors is an integer number (2277253440).

Almost surely, 2^88802561331 is an apocalyptic number.

88802561331 is a deficient number, since it is larger than the sum of its proper divisors (56941658829).

88802561331 is a wasteful number, since it uses less digits than its factorization.

88802561331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15961 (or 15955 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 88802561331 in words is "eighty-eight billion, eight hundred two million, five hundred sixty-one thousand, three hundred thirty-one".