7679388856 has 16 divisors (see below), whose sum is σ = 15024891600. Its totient is φ = 3672751104.

The previous prime is 7679388841. The next prime is 7679388911. The reversal of 7679388856 is 6588839767.

It is a junction number, because it is equal to n+sod(n) for n = 7679388791 and 7679388800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20867721 + ... + 20868088.

It is an arithmetic number, because the mean of its divisors is an integer number (939055725).

Almost surely, 2^7679388856 is an apocalyptic number.

It is an amenable number.

7679388856 is a deficient number, since it is larger than the sum of its proper divisors (7345502744).

7679388856 is a wasteful number, since it uses less digits than its factorization.

7679388856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41735838 (or 41735834 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 67.

The square root of 7679388856 is about 87632.1222840118. The cubic root of 7679388856 is about 1972.9173243709.

It can be divided in two parts, 76793 and 88856, that added together give a square (165649 = 407²).

The spelling of 7679388856 in words is "seven billion, six hundred seventy-nine million, three hundred eighty-eight thousand, eight hundred fifty-six".