6987950631 has 12 divisors (see below), whose sum is σ = 10096579480. Its totient is φ = 4657307760.

The previous prime is 6987950617. The next prime is 6987950633. The reversal of 6987950631 is 1360597896.

6987950631 is a `hidden beast` number, since 69 + 8 + 79 + 506 + 3 + 1 = 666.

It is not a de Polignac number, because 6987950631 - 2⁹ = 6987950119 is a prime.

It is a super-2 number, since 2×6987950631² = 97662908042586596322, which 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 (6987950633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76576 + ... + 140853.

Almost surely, 2^6987950631 is an apocalyptic number.

6987950631 is a deficient number, since it is larger than the sum of its proper divisors (3108628849).

6987950631 is a wasteful number, since it uses less digits than its factorization.

6987950631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221006 (or 221003 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 6987950631 is about 83593.9628860841. The cubic root of 6987950631 is about 1911.8329517367.

The spelling of 6987950631 in words is "six billion, nine hundred eighty-seven million, nine hundred fifty thousand, six hundred thirty-one".