87704256 has 56 divisors (see below), whose sum is σ = 237012480. Its totient is φ = 28609792.

The previous prime is 87704251. The next prime is 87704261. The reversal of 87704256 is 65240778.

It is an interprime number because it is at equal distance from previous prime (87704251) and next prime (87704261).

It is not an unprimeable number, because it can be changed into a prime (87704251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4165 + ... + 13883.

Almost surely, 2^87704256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87704256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118506240).

87704256 is an abundant number, since it is smaller than the sum of its proper divisors (149308224).

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

87704256 is a wasteful number, since it uses less digits than its factorization.

87704256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9781 (or 9771 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 87704256 is about 9365.0550452200. The cubic root of 87704256 is about 444.2971795060.

The spelling of 87704256 in words is "eighty-seven million, seven hundred four thousand, two hundred fifty-six".