7972068779 has 8 divisors (see below), whose sum is σ = 8237568000. Its totient is φ = 7707090600.

The previous prime is 7972068749. The next prime is 7972068781. The reversal of 7972068779 is 9778602797.

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 7972068779 - 2²⁸ = 7703633323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7972068749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 99029 + ... + 160470.

It is an arithmetic number, because the mean of its divisors is an integer number (1029696000).

Almost surely, 2^7972068779 is an apocalyptic number.

7972068779 is a deficient number, since it is larger than the sum of its proper divisors (265499221).

7972068779 is a wasteful number, since it uses less digits than its factorization.

7972068779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260521.

The product of its (nonzero) digits is 18670176, while the sum is 62.

The square root of 7972068779 is about 89286.4423022891. The cubic root of 7972068779 is about 1997.6696841185.

The spelling of 7972068779 in words is "seven billion, nine hundred seventy-two million, sixty-eight thousand, seven hundred seventy-nine".