87159716 has 24 divisors (see below), whose sum is σ = 179032896. Its totient is φ = 36344160.

The previous prime is 87159713. The next prime is 87159749. The reversal of 87159716 is 61795178.

It is not an unprimeable number, because it can be changed into a prime (87159713) 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, 41030 + ... + 43101.

It is an arithmetic number, because the mean of its divisors is an integer number (7459704).

Almost surely, 2^87159716 is an apocalyptic number.

It is an amenable number.

87159716 is an abundant number, since it is smaller than the sum of its proper divisors (91873180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87159716 is a wasteful number, since it uses less digits than its factorization.

87159716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84179 (or 84177 counting only the distinct ones).

The product of its digits is 105840, while the sum is 44.

The square root of 87159716 is about 9335.9368035565. The cubic root of 87159716 is about 443.3757493603.

The spelling of 87159716 in words is "eighty-seven million, one hundred fifty-nine thousand, seven hundred sixteen".