6477934647 has 8 divisors (see below), whose sum is σ = 8637775344. Its totient is φ = 4318358528.

The previous prime is 6477934633. The next prime is 6477934669. The reversal of 6477934647 is 7464397746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6477934647 - 2²⁴ = 6461157431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477934147) 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, 613 + ... + 113825.

It is an arithmetic number, because the mean of its divisors is an integer number (1079721918).

Almost surely, 2^6477934647 is an apocalyptic number.

6477934647 is a deficient number, since it is larger than the sum of its proper divisors (2159840697).

6477934647 is a wasteful number, since it uses less digits than its factorization.

6477934647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132289.

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

The square root of 6477934647 is about 80485.6176406692. The cubic root of 6477934647 is about 1864.1414105503.

The spelling of 6477934647 in words is "six billion, four hundred seventy-seven million, nine hundred thirty-four thousand, six hundred forty-seven".