6477815215874 has 16 divisors (see below), whose sum is σ = 9852596989440. Its totient is φ = 3193641159840.

The previous prime is 6477815215871. The next prime is 6477815215967. The reversal of 6477815215874 is 4785125187746.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6477815215874.

It is not an unprimeable number, because it can be changed into a prime (6477815215871) 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, 5713682 + ... + 6752909.

It is an arithmetic number, because the mean of its divisors is an integer number (615787311840).

Almost surely, 2^{6477815215874} is an apocalyptic number.

6477815215874 is a deficient number, since it is larger than the sum of its proper divisors (3374781773566).

6477815215874 is a wasteful number, since it uses less digits than its factorization.

6477815215874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12470225.

The product of its digits is 105369600, while the sum is 65.

The spelling of 6477815215874 in words is "six trillion, four hundred seventy-seven billion, eight hundred fifteen million, two hundred fifteen thousand, eight hundred seventy-four".