2789474578 has 16 divisors (see below), whose sum is σ = 4593674304. Its totient is φ = 1259865360.

The previous prime is 2789474573. The next prime is 2789474587. The reversal of 2789474578 is 8754749872.

It is not an unprimeable number, because it can be changed into a prime (2789474573) 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, 400350 + ... + 407257.

It is an arithmetic number, because the mean of its divisors is an integer number (287104644).

Almost surely, 2^2789474578 is an apocalyptic number.

2789474578 is a deficient number, since it is larger than the sum of its proper divisors (1804199726).

2789474578 is a wasteful number, since it uses less digits than its factorization.

2789474578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807777.

The product of its digits is 31610880, while the sum is 61.

The square root of 2789474578 is about 52815.4766900764. The cubic root of 2789474578 is about 1407.6914385098.

The spelling of 2789474578 in words is "two billion, seven hundred eighty-nine million, four hundred seventy-four thousand, five hundred seventy-eight".