87608817 has 32 divisors (see below), whose sum is σ = 137410560. Its totient is φ = 55051920.

The previous prime is 87608809. The next prime is 87608827. The reversal of 87608817 is 71880678.

It is not a de Polignac number, because 87608817 - 2³ = 87608809 is a prime.

It is a super-2 number, since 2×87608817² = 15350609632278978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87608827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43098 + ... + 45084.

It is an arithmetic number, because the mean of its divisors is an integer number (4294080).

Almost surely, 2^87608817 is an apocalyptic number.

It is an amenable number.

87608817 is a deficient number, since it is larger than the sum of its proper divisors (49801743).

87608817 is a wasteful number, since it uses less digits than its factorization.

87608817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090 (or 2084 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The square root of 87608817 is about 9359.9581729835. The cubic root of 87608817 is about 444.1359609186.

The spelling of 87608817 in words is "eighty-seven million, six hundred eight thousand, eight hundred seventeen".