87232464 has 200 divisors, whose sum is σ = 286276320. Its totient is φ = 25401600.

The previous prime is 87232433. The next prime is 87232567. The reversal of 87232464 is 46423278.

It is a super-2 number, since 2×87232464² = 15219005551022592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (64512) is a multiple of the sum of its prime divisors (256).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 413319 + ... + 413529.

Almost surely, 2^87232464 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 87232464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143138160).

87232464 is an abundant number, since it is smaller than the sum of its proper divisors (199043856).

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

87232464 is a wasteful number, since it uses less digits than its factorization.

87232464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 256 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 87232464 is about 9339.8321184056. The cubic root of 87232464 is about 443.4990698224.

The spelling of 87232464 in words is "eighty-seven million, two hundred thirty-two thousand, four hundred sixty-four".