88256538 has 24 divisors (see below), whose sum is σ = 191399988. Its totient is φ = 29391552.

The previous prime is 88256533. The next prime is 88256551. The reversal of 88256538 is 83565288.

It is a happy number.

88256538 is a `hidden beast` number, since 8 + 82 + 565 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85322169 + 2934369 = 9237^2 + 1713^2 .

It is a junction number, because it is equal to n+sod(n) for n = 88256493 and 88256502.

It is not an unprimeable number, because it can be changed into a prime (88256533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30156 + ... + 32952.

Almost surely, 2^88256538 is an apocalyptic number.

88256538 is an abundant number, since it is smaller than the sum of its proper divisors (103143450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88256538 is a wasteful number, since it uses less digits than its factorization.

88256538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558 (or 4555 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 88256538 is about 9394.4950902111. The cubic root of 88256538 is about 445.2278225771.

The spelling of 88256538 in words is "eighty-eight million, two hundred fifty-six thousand, five hundred thirty-eight".