87023256 has 16 divisors (see below), whose sum is σ = 217558200. Its totient is φ = 29007744.

The previous prime is 87023243. The next prime is 87023257. The reversal of 87023256 is 65232078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87023257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1812961 + ... + 1813008.

Almost surely, 2^87023256 is an apocalyptic number.

It is an amenable number.

87023256 is an abundant number, since it is smaller than the sum of its proper divisors (130534944).

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

87023256 is a wasteful number, since it uses less digits than its factorization.

87023256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625978 (or 3625974 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 87023256 is about 9328.6256222447. The cubic root of 87023256 is about 443.1442408141.

The spelling of 87023256 in words is "eighty-seven million, twenty-three thousand, two hundred fifty-six".