2257764807 has 8 divisors (see below), whose sum is σ = 3040158960. Its totient is φ = 1490273600.

The previous prime is 2257764799. The next prime is 2257764823. The reversal of 2257764807 is 7084677522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2257764807 - 2³ = 2257764799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257764857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3725382 + ... + 3725987.

It is an arithmetic number, because the mean of its divisors is an integer number (380019870).

Almost surely, 2^2257764807 is an apocalyptic number.

2257764807 is a deficient number, since it is larger than the sum of its proper divisors (782394153).

2257764807 is a wasteful number, since it uses less digits than its factorization.

2257764807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451473.

The product of its (nonzero) digits is 1317120, while the sum is 48.

The square root of 2257764807 is about 47515.9426613847. The cubic root of 2257764807 is about 1311.8763405831.

The spelling of 2257764807 in words is "two billion, two hundred fifty-seven million, seven hundred sixty-four thousand, eight hundred seven".