318877161087 has 8 divisors (see below), whose sum is σ = 436660617136. Its totient is φ = 206839239552.

The previous prime is 318877161049. The next prime is 318877161121. The reversal of 318877161087 is 780161778813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 318877161087 - 2²⁷ = 318742943359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318877161587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436383498 + ... + 1436383719.

It is an arithmetic number, because the mean of its divisors is an integer number (54582577142).

Almost surely, 2^318877161087 is an apocalyptic number.

318877161087 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

318877161087 is a deficient number, since it is larger than the sum of its proper divisors (117783456049).

318877161087 is a wasteful number, since it uses less digits than its factorization.

318877161087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872767257.

The product of its (nonzero) digits is 3161088, while the sum is 57.

The spelling of 318877161087 in words is "three hundred eighteen billion, eight hundred seventy-seven million, one hundred sixty-one thousand, eighty-seven".