7979236977 has 16 divisors (see below), whose sum is σ = 11322001152. Its totient is φ = 4981159680.

The previous prime is 7979236933. The next prime is 7979236999. The reversal of 7979236977 is 7796329797.

It is not a de Polignac number, because 7979236977 - 2⁶ = 7979236913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7979236777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387049 + ... + 407142.

It is an arithmetic number, because the mean of its divisors is an integer number (707625072).

Almost surely, 2^7979236977 is an apocalyptic number.

It is an amenable number.

7979236977 is a deficient number, since it is larger than the sum of its proper divisors (3342764175).

7979236977 is a wasteful number, since it uses less digits than its factorization.

7979236977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794408.

The product of its digits is 63011844, while the sum is 66.

The square root of 7979236977 is about 89326.5748643706. The cubic root of 7979236977 is about 1998.2682490354.

The spelling of 7979236977 in words is "seven billion, nine hundred seventy-nine million, two hundred thirty-six thousand, nine hundred seventy-seven".