6890057631 has 24 divisors (see below), whose sum is σ = 9988758000. Its totient is φ = 4576584192.

The previous prime is 6890057617. The next prime is 6890057641. The reversal of 6890057631 is 1367500986.

It is a happy number.

6890057631 is a `hidden beast` number, since 6 + 8 + 9 + 0 + 0 + 5 + 7 + 631 = 666.

It is not a de Polignac number, because 6890057631 - 2¹¹ = 6890055583 is a prime.

It is a super-2 number, since 2×6890057631² = 94945788317002664322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890057641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4254940 + ... + 4256558.

It is an arithmetic number, because the mean of its divisors is an integer number (416198250).

Almost surely, 2^6890057631 is an apocalyptic number.

6890057631 is a deficient number, since it is larger than the sum of its proper divisors (3098700369).

6890057631 is a wasteful number, since it uses less digits than its factorization.

6890057631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063 (or 3060 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 6890057631 is about 83006.3710265664. The cubic root of 6890057631 is about 1902.8634230959.

The spelling of 6890057631 in words is "six billion, eight hundred ninety million, fifty-seven thousand, six hundred thirty-one".