87080725 has 12 divisors (see below), whose sum is σ = 108834304. Its totient is φ = 69113520.

The previous prime is 87080717. The next prime is 87080731. The reversal of 87080725 is 52708078.

It is not a de Polignac number, because 87080725 - 2³ = 87080717 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 10539 + ... + 16888.

Almost surely, 2^87080725 is an apocalyptic number.

It is an amenable number.

87080725 is a deficient number, since it is larger than the sum of its proper divisors (21753579).

87080725 is a wasteful number, since it uses less digits than its factorization.

87080725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27564 (or 27559 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 87080725 is about 9331.7053639729. The cubic root of 87080725 is about 443.2417682015.

The spelling of 87080725 in words is "eighty-seven million, eighty thousand, seven hundred twenty-five".