87617392 has 10 divisors (see below), whose sum is σ = 169758728. Its totient is φ = 43808688.

The previous prime is 87617389. The next prime is 87617393. The reversal of 87617392 is 29371678.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87617393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2738028 + ... + 2738059.

Almost surely, 2^87617392 is an apocalyptic number.

It is an amenable number.

87617392 is a deficient number, since it is larger than the sum of its proper divisors (82141336).

87617392 is a wasteful number, since it uses less digits than its factorization.

87617392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476095 (or 5476089 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 87617392 is about 9360.4162300616. The cubic root of 87617392 is about 444.1504508667.

The spelling of 87617392 in words is "eighty-seven million, six hundred seventeen thousand, three hundred ninety-two".