87157708 has 48 divisors (see below), whose sum is σ = 177962400. Its totient is φ = 36910080.

The previous prime is 87157703. The next prime is 87157711. The reversal of 87157708 is 80775178.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87157703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80998 + ... + 82066.

It is an arithmetic number, because the mean of its divisors is an integer number (3707550).

Almost surely, 2^87157708 is an apocalyptic number.

It is an amenable number.

87157708 is an abundant number, since it is smaller than the sum of its proper divisors (90804692).

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

87157708 is a wasteful number, since it uses less digits than its factorization.

87157708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 43.

The square root of 87157708 is about 9335.8292615064. The cubic root of 87157708 is about 443.3723444795.

The spelling of 87157708 in words is "eighty-seven million, one hundred fifty-seven thousand, seven hundred eight".