2472184778 has 32 divisors (see below), whose sum is σ = 4519670400. Its totient is φ = 989996544.

The previous prime is 2472184769. The next prime is 2472184789. The reversal of 2472184778 is 8774812742.

2472184778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2472184778² = 12223395153149818568, which contains 22 as substring.

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, 4283 + ... + 70446.

It is an arithmetic number, because the mean of its divisors is an integer number (141239700).

Almost surely, 2^2472184778 is an apocalyptic number.

2472184778 is a deficient number, since it is larger than the sum of its proper divisors (2047485622).

2472184778 is a wasteful number, since it uses less digits than its factorization.

2472184778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74894.

The product of its digits is 1404928, while the sum is 50.

The square root of 2472184778 is about 49721.0697592077. The cubic root of 2472184778 is about 1352.1565491757.

The spelling of 2472184778 in words is "two billion, four hundred seventy-two million, one hundred eighty-four thousand, seven hundred seventy-eight".