87205316 has 12 divisors (see below), whose sum is σ = 166482960. Its totient is φ = 39638760.

The previous prime is 87205309. The next prime is 87205343. The reversal of 87205316 is 61350278.

It is a happy 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, 990926 + ... + 991013.

It is an arithmetic number, because the mean of its divisors is an integer number (13873580).

Almost surely, 2^87205316 is an apocalyptic number.

It is an amenable number.

87205316 is a deficient number, since it is larger than the sum of its proper divisors (79277644).

87205316 is a wasteful number, since it uses less digits than its factorization.

87205316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981954 (or 1981952 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 87205316 is about 9338.3786601315. The cubic root of 87205316 is about 443.4530572814.

The spelling of 87205316 in words is "eighty-seven million, two hundred five thousand, three hundred sixteen".