87329256 has 32 divisors (see below), whose sum is σ = 249512640. Its totient is φ = 24951168.

The previous prime is 87329251. The next prime is 87329257. The reversal of 87329256 is 65292378.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (87329251) 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, 259741 + ... + 260076.

It is an arithmetic number, because the mean of its divisors is an integer number (7797270).

Almost surely, 2^87329256 is an apocalyptic number.

It is an amenable number.

87329256 is an abundant number, since it is smaller than the sum of its proper divisors (162183384).

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

87329256 is a wasteful number, since it uses less digits than its factorization.

87329256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519833 (or 519829 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 87329256 is about 9345.0123595424. The cubic root of 87329256 is about 443.6630427772.

The spelling of 87329256 in words is "eighty-seven million, three hundred twenty-nine thousand, two hundred fifty-six".