2257846779 has 16 divisors (see below), whose sum is σ = 3174353280. Its totient is φ = 1423558080.

The previous prime is 2257846739. The next prime is 2257846807. The reversal of 2257846779 is 9776487522.

It is not a de Polignac number, because 2257846779 - 2⁷ = 2257846651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (2257846739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282 + ... + 67199.

It is an arithmetic number, because the mean of its divisors is an integer number (198397080).

Almost surely, 2^2257846779 is an apocalyptic number.

2257846779 is a deficient number, since it is larger than the sum of its proper divisors (916506501).

2257846779 is a wasteful number, since it uses less digits than its factorization.

2257846779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68090.

The product of its digits is 11854080, while the sum is 57.

The square root of 2257846779 is about 47516.8052272036. The cubic root of 2257846779 is about 1311.8922170266.

The spelling of 2257846779 in words is "two billion, two hundred fifty-seven million, eight hundred forty-six thousand, seven hundred seventy-nine".