6477447744 has 56 divisors (see below), whose sum is σ = 19042501920. Its totient is φ = 2159148672.

The previous prime is 6477447727. The next prime is 6477447751. The reversal of 6477447744 is 4477447746.

6477447744 is a `hidden beast` number, since 64 + 7 + 74 + 477 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1872534 + ... + 1875989.

Almost surely, 2^6477447744 is an apocalyptic number.

6477447744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6477447744 is an abundant number, since it is smaller than the sum of its proper divisors (12565054176).

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

6477447744 is a wasteful number, since it uses less digits than its factorization.

6477447744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748544 (or 3748528 counting only the distinct ones).

The product of its digits is 14751744, while the sum is 54.

The square root of 6477447744 is about 80482.5928011766. The cubic root of 6477447744 is about 1864.0947043682.

The spelling of 6477447744 in words is "six billion, four hundred seventy-seven million, four hundred forty-seven thousand, seven hundred forty-four".