6477536278 has 8 divisors (see below), whose sum is σ = 10227688920. Its totient is φ = 3068306640.

The previous prime is 6477536269. The next prime is 6477536279. The reversal of 6477536278 is 8726357746.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477536279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85230703 + ... + 85230778.

It is an arithmetic number, because the mean of its divisors is an integer number (1278461115).

Almost surely, 2^6477536278 is an apocalyptic number.

6477536278 is a deficient number, since it is larger than the sum of its proper divisors (3750152642).

6477536278 is a wasteful number, since it uses less digits than its factorization.

6477536278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170461502.

The product of its digits is 11854080, while the sum is 55.

The square root of 6477536278 is about 80483.1428188537. The cubic root of 6477536278 is about 1864.1031971684.

The spelling of 6477536278 in words is "six billion, four hundred seventy-seven million, five hundred thirty-six thousand, two hundred seventy-eight".