87680365 has 8 divisors (see below), whose sum is σ = 105511680. Its totient is φ = 69947472.

The previous prime is 87680357. The next prime is 87680371. The reversal of 87680365 is 56308678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87680365 - 2³ = 87680357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22629 + ... + 26218.

It is an arithmetic number, because the mean of its divisors is an integer number (13188960).

Almost surely, 2^87680365 is an apocalyptic number.

It is an amenable number.

87680365 is a deficient number, since it is larger than the sum of its proper divisors (17831315).

87680365 is a wasteful number, since it uses less digits than its factorization.

87680365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49211.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 87680365 is about 9363.7794185895. The cubic root of 87680365 is about 444.2568330494.

The spelling of 87680365 in words is "eighty-seven million, six hundred eighty thousand, three hundred sixty-five".