87272685 has 24 divisors (see below), whose sum is σ = 151733400. Its totient is φ = 46403712.

The previous prime is 87272663. The next prime is 87272701. The reversal of 87272685 is 58627278.

It can be written as a sum of positive squares in 4 ways, for example, as 37527876 + 49744809 = 6126^2 + 7053^2 .

It is not a de Polignac number, because 87272685 - 2⁹ = 87272173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 87272685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12927 + ... + 18483.

It is an arithmetic number, because the mean of its divisors is an integer number (6322225).

Almost surely, 2^87272685 is an apocalyptic number.

It is an amenable number.

87272685 is a deficient number, since it is larger than the sum of its proper divisors (64460715).

87272685 is a wasteful number, since it uses less digits than its factorization.

87272685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917 (or 5914 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 87272685 is about 9341.9850674254. The cubic root of 87272685 is about 443.5672219545.

The spelling of 87272685 in words is "eighty-seven million, two hundred seventy-two thousand, six hundred eighty-five".