87605264 has 10 divisors (see below), whose sum is σ = 169735230. Its totient is φ = 43802624.

The previous prime is 87605261. The next prime is 87605291. The reversal of 87605264 is 46250678.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87235600 + 369664 = 9340^2 + 608^2 .

It is not an unprimeable number, because it can be changed into a prime (87605261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2737649 + ... + 2737680.

It is an arithmetic number, because the mean of its divisors is an integer number (16973523).

Almost surely, 2^87605264 is an apocalyptic number.

It is an amenable number.

87605264 is a deficient number, since it is larger than the sum of its proper divisors (82129966).

87605264 is a wasteful number, since it uses less digits than its factorization.

87605264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475337 (or 5475331 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 87605264 is about 9359.7683732024. The cubic root of 87605264 is about 444.1299568182.

The spelling of 87605264 in words is "eighty-seven million, six hundred five thousand, two hundred sixty-four".