87717465 has 32 divisors (see below), whose sum is σ = 170121600. Its totient is φ = 42528960.

The previous prime is 87717397. The next prime is 87717499. The reversal of 87717465 is 56471778.

It is not a de Polignac number, because 87717465 - 2⁷ = 87717337 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 87717465.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28050 + ... + 31019.

It is an arithmetic number, because the mean of its divisors is an integer number (5316300).

Almost surely, 2^87717465 is an apocalyptic number.

It is an amenable number.

87717465 is a deficient number, since it is larger than the sum of its proper divisors (82404135).

87717465 is a wasteful number, since it uses less digits than its factorization.

87717465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59094 (or 59088 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 87717465 is about 9365.7602467712. The cubic root of 87717465 is about 444.3194833527.

The spelling of 87717465 in words is "eighty-seven million, seven hundred seventeen thousand, four hundred sixty-five".