87462864 has 60 divisors (see below), whose sum is σ = 250001856. Its totient is φ = 28531776.

The previous prime is 87462853. The next prime is 87462883. The reversal of 87462864 is 46826478.

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 11 ways as a sum of consecutive naturals, for example, 307 + ... + 13229.

Almost surely, 2^87462864 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 87462864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125000928).

87462864 is an abundant number, since it is smaller than the sum of its proper divisors (162538992).

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

87462864 is a wasteful number, since it uses less digits than its factorization.

87462864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12984 (or 12975 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 87462864 is about 9352.1582535798. The cubic root of 87462864 is about 443.8891858830.

The spelling of 87462864 in words is "eighty-seven million, four hundred sixty-two thousand, eight hundred sixty-four".