8079961972 has 12 divisors (see below), whose sum is σ = 14379593760. Its totient is φ = 3971506616.

The previous prime is 8079961889. The next prime is 8079962029. The reversal of 8079961972 is 2791699708.

It is a happy number.

It is a super-2 number, since 2×8079961972² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17118328 + ... + 17118799.

It is an arithmetic number, because the mean of its divisors is an integer number (1198299480).

Almost surely, 2^8079961972 is an apocalyptic number.

It is an amenable number.

8079961972 is a deficient number, since it is larger than the sum of its proper divisors (6299631788).

8079961972 is a wasteful number, since it uses less digits than its factorization.

8079961972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34237190 (or 34237188 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 58.

The square root of 8079961972 is about 89888.6086887543. The cubic root of 8079961972 is about 2006.6414190314.

The spelling of 8079961972 in words is "eight billion, seventy-nine million, nine hundred sixty-one thousand, nine hundred seventy-two".