87013033631 has 8 divisors (see below), whose sum is σ = 96980471280. Its totient is φ = 77584376448.

The previous prime is 87013033621. The next prime is 87013033637. The reversal of 87013033631 is 13633031078.

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 87013033631 - 2⁶ = 87013033567 is a prime.

It is a super-2 number, since 2×87013033631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87013033591 and 87013033600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87013033637) 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, 134694776 + ... + 134695421.

It is an arithmetic number, because the mean of its divisors is an integer number (12122558910).

Almost surely, 2^87013033631 is an apocalyptic number.

87013033631 is a deficient number, since it is larger than the sum of its proper divisors (9967437649).

87013033631 is a wasteful number, since it uses less digits than its factorization.

87013033631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269390233.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 87013033631 in words is "eighty-seven billion, thirteen million, thirty-three thousand, six hundred thirty-one".