2257764798 has 32 divisors (see below), whose sum is σ = 4785933600. Its totient is φ = 707609600.

The previous prime is 2257764767. The next prime is 2257764799. The reversal of 2257764798 is 8974677522.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257764799) 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, 96448 + ... + 117548.

It is an arithmetic number, because the mean of its divisors is an integer number (149560425).

Almost surely, 2^2257764798 is an apocalyptic number.

2257764798 is an abundant number, since it is smaller than the sum of its proper divisors (2528168802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2257764798 is a wasteful number, since it uses less digits than its factorization.

2257764798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22172.

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

The square root of 2257764798 is about 47515.9425666797. The cubic root of 2257764798 is about 1311.8763388399.

The spelling of 2257764798 in words is "two billion, two hundred fifty-seven million, seven hundred sixty-four thousand, seven hundred ninety-eight".