2279772957 has 32 divisors (see below), whose sum is σ = 3818732544. Its totient is φ = 1175241600.

The previous prime is 2279772941. The next prime is 2279772959. The reversal of 2279772957 is 7592779722.

2279772957 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2279772957 - 2⁴ = 2279772941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2279772897 and 2279772906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279772959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7408 + ... + 67929.

It is an arithmetic number, because the mean of its divisors is an integer number (119335392).

Almost surely, 2^2279772957 is an apocalyptic number.

It is an amenable number.

2279772957 is a deficient number, since it is larger than the sum of its proper divisors (1538959587).

2279772957 is a wasteful number, since it uses less digits than its factorization.

2279772957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75489.

The product of its digits is 7779240, while the sum is 57.

The square root of 2279772957 is about 47746.9680398662. The cubic root of 2279772957 is about 1316.1251834505.

The spelling of 2279772957 in words is "two billion, two hundred seventy-nine million, seven hundred seventy-two thousand, nine hundred fifty-seven".