87679085 has 16 divisors (see below), whose sum is σ = 116373936. Its totient is φ = 62995968.

The previous prime is 87679079. The next prime is 87679099. The reversal of 87679085 is 58097678.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 611524 + 87067561 = 782^2 + 9331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87679085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15824 + ... + 20633.

It is an arithmetic number, because the mean of its divisors is an integer number (7273371).

Almost surely, 2^87679085 is an apocalyptic number.

It is an amenable number.

87679085 is a deficient number, since it is larger than the sum of its proper divisors (28694851).

87679085 is a wasteful number, since it uses less digits than its factorization.

87679085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36512.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 87679085 is about 9363.7110698697. The cubic root of 87679085 is about 444.2546712141.

The spelling of 87679085 in words is "eighty-seven million, six hundred seventy-nine thousand, eighty-five".