87125994313 has 8 divisors (see below), whose sum is σ = 92287261440. Its totient is φ = 81968750400.

The previous prime is 87125994301. The next prime is 87125994337. The reversal of 87125994313 is 31349952178.

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

It is a de Polignac number, because none of the positive numbers 2^k-87125994313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87125994343) 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, 961153 + ... + 1047886.

It is an arithmetic number, because the mean of its divisors is an integer number (11535907680).

Almost surely, 2^87125994313 is an apocalyptic number.

It is an amenable number.

87125994313 is a deficient number, since it is larger than the sum of its proper divisors (5161267127).

87125994313 is a wasteful number, since it uses less digits than its factorization.

87125994313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011607.

The product of its digits is 1632960, while the sum is 52.

The spelling of 87125994313 in words is "eighty-seven billion, one hundred twenty-five million, nine hundred ninety-four thousand, three hundred thirteen".