2492772178 has 32 divisors (see below), whose sum is σ = 4128860736. Its totient is φ = 1121456448.

The previous prime is 2492772167. The next prime is 2492772187. The reversal of 2492772178 is 8712772942.

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, 620725 + ... + 624727.

It is an arithmetic number, because the mean of its divisors is an integer number (129026898).

Almost surely, 2^2492772178 is an apocalyptic number.

2492772178 is a deficient number, since it is larger than the sum of its proper divisors (1636088558).

2492772178 is a wasteful number, since it uses less digits than its factorization.

2492772178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618.

The product of its digits is 790272, while the sum is 49.

The square root of 2492772178 is about 49927.6694629341. The cubic root of 2492772178 is about 1355.8995906223.

The spelling of 2492772178 in words is "two billion, four hundred ninety-two million, seven hundred seventy-two thousand, one hundred seventy-eight".