88402565902 has 48 divisors (see below), whose sum is σ = 156718758528. Its totient is φ = 37283304240.

The previous prime is 88402565819. The next prime is 88402565921. The reversal of 88402565902 is 20956520488.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3794413 + ... + 3817639.

It is an arithmetic number, because the mean of its divisors is an integer number (3264974136).

Almost surely, 2^88402565902 is an apocalyptic number.

88402565902 is a deficient number, since it is larger than the sum of its proper divisors (68316192626).

88402565902 is a wasteful number, since it uses less digits than its factorization.

88402565902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23861 (or 23854 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 88402565902 in words is "eighty-eight billion, four hundred two million, five hundred sixty-five thousand, nine hundred two".