7676436779 has 6 divisors (see below), whose sum is σ = 8374611684. Its totient is φ = 6978314720.

The previous prime is 7676436749. The next prime is 7676436857. The reversal of 7676436779 is 9776346767.

It is a de Polignac number, because none of the positive numbers 2^k-7676436779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7676436749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277379 + ... + 303795.

It is an arithmetic number, because the mean of its divisors is an integer number (1395768614).

Almost surely, 2^7676436779 is an apocalyptic number.

7676436779 is a deficient number, since it is larger than the sum of its proper divisors (698174905).

7676436779 is an frugal number, since it uses more digits than its factorization.

7676436779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52845 (or 26428 counting only the distinct ones).

The product of its digits is 56010528, while the sum is 62.

The square root of 7676436779 is about 87615.2770868186. The cubic root of 7676436779 is about 1972.6644852266.

The spelling of 7676436779 in words is "seven billion, six hundred seventy-six million, four hundred thirty-six thousand, seven hundred seventy-nine".