27782441904 has 80 divisors (see below), whose sum is σ = 83248663808. Its totient is φ = 7819358976.

The previous prime is 27782441899. The next prime is 27782441969. The reversal of 27782441904 is 40914428772.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594547 + ... + 639570.

Almost surely, 2^27782441904 is an apocalyptic number.

27782441904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27782441904 is an abundant number, since it is smaller than the sum of its proper divisors (55466221904).

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

27782441904 is a wasteful number, since it uses less digits than its factorization.

27782441904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234202 (or 1234196 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 27782441904 in words is "twenty-seven billion, seven hundred eighty-two million, four hundred forty-one thousand, nine hundred four".