6476979888 has 80 divisors (see below), whose sum is σ = 18600996960. Its totient is φ = 2157871104.

The previous prime is 6476979881. The next prime is 6476979911. The reversal of 6476979888 is 8889796746.

6476979888 is a `hidden beast` number, since 6 + 476 + 9 + 79 + 8 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (6476979881) 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, 1491256 + ... + 1495592.

It is an arithmetic number, because the mean of its divisors is an integer number (232512462).

Almost surely, 2^6476979888 is an apocalyptic number.

It is an amenable number.

6476979888 is an abundant number, since it is smaller than the sum of its proper divisors (12124017072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6476979888 is a wasteful number, since it uses less digits than its factorization.

6476979888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811 (or 7799 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 72.

The square root of 6476979888 is about 80479.6861822907. The cubic root of 6476979888 is about 1864.0498230649.

The spelling of 6476979888 in words is "six billion, four hundred seventy-six million, nine hundred seventy-nine thousand, eight hundred eighty-eight".