87276064 has 24 divisors (see below), whose sum is σ = 172117008. Its totient is φ = 43563840.

The previous prime is 87276061. The next prime is 87276089. The reversal of 87276064 is 46067278.

It is a super-2 number, since 2×87276064² = 15234222694664192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87276061) 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, 20139 + ... + 24085.

It is an arithmetic number, because the mean of its divisors is an integer number (7171542).

Almost surely, 2^87276064 is an apocalyptic number.

It is an amenable number.

87276064 is a deficient number, since it is larger than the sum of its proper divisors (84840944).

87276064 is a wasteful number, since it uses less digits than its factorization.

87276064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648 (or 4640 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 87276064 is about 9342.1659158891. The cubic root of 87276064 is about 443.5729465188.

The spelling of 87276064 in words is "eighty-seven million, two hundred seventy-six thousand, sixty-four".