87008657 has 8 divisors (see below), whose sum is σ = 93141600. Its totient is φ = 81031104.

The previous prime is 87008653. The next prime is 87008659. The reversal of 87008657 is 75680078.

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 87008657 - 2² = 87008653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87008653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37688 + ... + 39929.

It is an arithmetic number, because the mean of its divisors is an integer number (11642700).

Almost surely, 2^87008657 is an apocalyptic number.

It is an amenable number.

87008657 is a deficient number, since it is larger than the sum of its proper divisors (6132943).

87008657 is a wasteful number, since it uses less digits than its factorization.

87008657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77695.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 87008657 is about 9327.8431054558. The cubic root of 87008657 is about 443.1194588387.

The spelling of 87008657 in words is "eighty-seven million, eight thousand, six hundred fifty-seven".