87708168317 has 16 divisors (see below), whose sum is σ = 109358111232. Its totient is φ = 68339235120.

The previous prime is 87708168307. The next prime is 87708168377. The reversal of 87708168317 is 71386180778.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 87708168317 - 2⁸ = 87708168061 is a prime.

It is a super-2 number, since 2×87708168317² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87708168307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400558 + ... + 1461840.

It is an arithmetic number, because the mean of its divisors is an integer number (6834881952).

Almost surely, 2^87708168317 is an apocalyptic number.

It is an amenable number.

87708168317 is a deficient number, since it is larger than the sum of its proper divisors (21649942915).

87708168317 is a wasteful number, since it uses less digits than its factorization.

87708168317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79888.

The product of its (nonzero) digits is 3161088, while the sum is 56.

The spelling of 87708168317 in words is "eighty-seven billion, seven hundred eight million, one hundred sixty-eight thousand, three hundred seventeen".