2764568478 has 16 divisors (see below), whose sum is σ = 6319013760. Its totient is φ = 789876696.

The previous prime is 2764568461. The next prime is 2764568489. The reversal of 2764568478 is 8748654672.

It is a congruent number.

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, 32911488 + ... + 32911571.

It is an arithmetic number, because the mean of its divisors is an integer number (394938360).

Almost surely, 2^2764568478 is an apocalyptic number.

2764568478 is an abundant number, since it is smaller than the sum of its proper divisors (3554445282).

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

2764568478 is a wasteful number, since it uses less digits than its factorization.

2764568478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65823071.

The product of its digits is 18063360, while the sum is 57.

The square root of 2764568478 is about 52579.1639149958. The cubic root of 2764568478 is about 1403.4893364873.

The spelling of 2764568478 in words is "two billion, seven hundred sixty-four million, five hundred sixty-eight thousand, four hundred seventy-eight".