87045530 has 64 divisors (see below), whose sum is σ = 190512000. Its totient is φ = 28197120.

The previous prime is 87045527. The next prime is 87045589. The reversal of 87045530 is 3554078.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40421 + ... + 42519.

It is an arithmetic number, because the mean of its divisors is an integer number (2976750).

Almost surely, 2^87045530 is an apocalyptic number.

87045530 is an abundant number, since it is smaller than the sum of its proper divisors (103466470).

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

87045530 is a wasteful number, since it uses less digits than its factorization.

87045530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 87045530 is about 9329.8193980377. The cubic root of 87045530 is about 443.1820458533.

The spelling of 87045530 in words is "eighty-seven million, forty-five thousand, five hundred thirty".