8979973631 has 8 divisors (see below), whose sum is σ = 9534121920. Its totient is φ = 8428704768.

The previous prime is 8979973621. The next prime is 8979973727. The reversal of 8979973631 is 1363799798.

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 8979973631 - 2¹⁰ = 8979972607 is a prime.

It is a super-2 number, since 2×8979973631² (a number of 21 digits) 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 (8979973621) 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, 713426 + ... + 725903.

It is an arithmetic number, because the mean of its divisors is an integer number (1191765240).

Almost surely, 2^8979973631 is an apocalyptic number.

8979973631 is a deficient number, since it is larger than the sum of its proper divisors (554148289).

8979973631 is a wasteful number, since it uses less digits than its factorization.

8979973631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439713.

The product of its digits is 15431472, while the sum is 62.

The square root of 8979973631 is about 94762.7227922457. The cubic root of 8979973631 is about 2078.5398429848.

The spelling of 8979973631 in words is "eight billion, nine hundred seventy-nine million, nine hundred seventy-three thousand, six hundred thirty-one".