6477769344 has 64 divisors (see below), whose sum is σ = 17221998240. Its totient is φ = 2157321216.

The previous prime is 6477769327. The next prime is 6477769349. The reversal of 6477769344 is 4439677746.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×6477769344² = 83922991348132380672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6477769349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458839 + ... + 472745.

Almost surely, 2^6477769344 is an apocalyptic number.

6477769344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6477769344 is an abundant number, since it is smaller than the sum of its proper divisors (10744228896).

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

6477769344 is a wasteful number, since it uses less digits than its factorization.

6477769344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15137 (or 15125 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 57.

The square root of 6477769344 is about 80484.5907239392. The cubic root of 6477769344 is about 1864.1255541184.

The spelling of 6477769344 in words is "six billion, four hundred seventy-seven million, seven hundred sixty-nine thousand, three hundred forty-four".