87165701 has 8 divisors (see below), whose sum is σ = 99754944. Its totient is φ = 74610720.

The previous prime is 87165691. The next prime is 87165703. The reversal of 87165701 is 10756178.

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 87165701 - 2²² = 82971397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87165703) 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, 2855 + ... + 13508.

It is an arithmetic number, because the mean of its divisors is an integer number (12469368).

Almost surely, 2^87165701 is an apocalyptic number.

It is an amenable number.

87165701 is a deficient number, since it is larger than the sum of its proper divisors (12589243).

87165701 is a wasteful number, since it uses less digits than its factorization.

87165701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17131.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 87165701 is about 9336.2573336429. The cubic root of 87165701 is about 443.3858975620.

The spelling of 87165701 in words is "eighty-seven million, one hundred sixty-five thousand, seven hundred one".