87595664 has 20 divisors (see below), whose sum is σ = 182772156. Its totient is φ = 40428672.

The previous prime is 87595663. The next prime is 87595691. The reversal of 87595664 is 46659578.

It can be written as a sum of positive squares in 2 ways, for example, as 6451600 + 81144064 = 2540^2 + 9008^2 .

It is not an unprimeable number, because it can be changed into a prime (87595663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210359 + ... + 210774.

Almost surely, 2^87595664 is an apocalyptic number.

It is an amenable number.

87595664 is an abundant number, since it is smaller than the sum of its proper divisors (95176492).

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

87595664 is a wasteful number, since it uses less digits than its factorization.

87595664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421154 (or 421148 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 87595664 is about 9359.2555259486. The cubic root of 87595664 is about 444.1137332751.

The spelling of 87595664 in words is "eighty-seven million, five hundred ninety-five thousand, six hundred sixty-four".