2257978113 has 12 divisors (see below), whose sum is σ = 3382321488. Its totient is φ = 1505318580.

The previous prime is 2257978087. The next prime is 2257978123. The reversal of 2257978113 is 3118797522.

2257978113 is a `hidden beast` number, since 2 + 2 + 579 + 78 + 1 + 1 + 3 = 666.

It is not a de Polignac number, because 2257978113 - 2⁵ = 2257978081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2257978123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4645803 + ... + 4646288.

It is an arithmetic number, because the mean of its divisors is an integer number (281860124).

Almost surely, 2^2257978113 is an apocalyptic number.

It is an amenable number.

2257978113 is a deficient number, since it is larger than the sum of its proper divisors (1124343375).

2257978113 is an frugal number, since it uses more digits than its factorization.

2257978113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9292106 (or 9292094 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 2257978113 is about 47518.1871813309. The cubic root of 2257978113 is about 1311.9176531653.

The spelling of 2257978113 in words is "two billion, two hundred fifty-seven million, nine hundred seventy-eight thousand, one hundred thirteen".