87631136713 has 8 divisors (see below), whose sum is σ = 87861634560. Its totient is φ = 87400699200.

The previous prime is 87631136711. The next prime is 87631136731. The reversal of 87631136713 is 31763113678.

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

It is a cyclic number.

It is not a de Polignac number, because 87631136713 - 2¹ = 87631136711 is a prime.

It is a super-2 number, since 2×87631136713² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87631136711) 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, 5268456 + ... + 5285062.

It is an arithmetic number, because the mean of its divisors is an integer number (10982704320).

Almost surely, 2^87631136713 is an apocalyptic number.

It is an amenable number.

87631136713 is a deficient number, since it is larger than the sum of its proper divisors (230497847).

87631136713 is a wasteful number, since it uses less digits than its factorization.

87631136713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30167.

The product of its digits is 381024, while the sum is 46.

The spelling of 87631136713 in words is "eighty-seven billion, six hundred thirty-one million, one hundred thirty-six thousand, seven hundred thirteen".