87272312 has 16 divisors (see below), whose sum is σ = 165225840. Its totient is φ = 43212096.

The previous prime is 87272309. The next prime is 87272321. The reversal of 87272312 is 21327278.

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, 52133 + ... + 53780.

It is an arithmetic number, because the mean of its divisors is an integer number (10326615).

Almost surely, 2^87272312 is an apocalyptic number.

It is an amenable number.

87272312 is a deficient number, since it is larger than the sum of its proper divisors (77953528).

87272312 is a wasteful number, since it uses less digits than its factorization.

87272312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106022 (or 106018 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 87272312 is about 9341.9651037670. The cubic root of 87272312 is about 443.5665900240.

The spelling of 87272312 in words is "eighty-seven million, two hundred seventy-two thousand, three hundred twelve".