6477941888 has 32 divisors (see below), whose sum is σ = 14078484720. Its totient is φ = 2944518400.

The previous prime is 6477941863. The next prime is 6477941929. The reversal of 6477941888 is 8881497746.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×6477941888² = 83927462208610009088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6477941888.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2298998 + ... + 2301813.

Almost surely, 2^6477941888 is an apocalyptic number.

It is an amenable number.

6477941888 is an abundant number, since it is smaller than the sum of its proper divisors (7600542832).

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

6477941888 is a wasteful number, since it uses less digits than its factorization.

6477941888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600836 (or 4600824 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 62.

The square root of 6477941888 is about 80485.6626238487. The cubic root of 6477941888 is about 1864.1421051258.

The spelling of 6477941888 in words is "six billion, four hundred seventy-seven million, nine hundred forty-one thousand, eight hundred eighty-eight".