87667064 has 16 divisors (see below), whose sum is σ = 173027400. Its totient is φ = 41526432.

The previous prime is 87667057. The next prime is 87667081. The reversal of 87667064 is 46076678.

It is a super-2 number, since 2×87667064² = 15371028220760192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288227 + ... + 288530.

Almost surely, 2^87667064 is an apocalyptic number.

It is an amenable number.

87667064 is a deficient number, since it is larger than the sum of its proper divisors (85360336).

87667064 is a wasteful number, since it uses less digits than its factorization.

87667064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576782 (or 576778 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 87667064 is about 9363.0691549299. The cubic root of 87667064 is about 444.2343675142.

The spelling of 87667064 in words is "eighty-seven million, six hundred sixty-seven thousand, sixty-four".