257377422 has 16 divisors (see below), whose sum is σ = 523194192. Its totient is φ = 84385920.

The previous prime is 257377397. The next prime is 257377423. The reversal of 257377422 is 224773752.

257377422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257377423) 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, 351243 + ... + 351974.

It is an arithmetic number, because the mean of its divisors is an integer number (32699637).

Almost surely, 2^257377422 is an apocalyptic number.

257377422 is an abundant number, since it is smaller than the sum of its proper divisors (265816770).

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

257377422 is a wasteful number, since it uses less digits than its factorization.

257377422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703283.

The product of its digits is 164640, while the sum is 39.

The square root of 257377422 is about 16042.9866920097. The cubic root of 257377422 is about 636.0971974783.

The spelling of 257377422 in words is "two hundred fifty-seven million, three hundred seventy-seven thousand, four hundred twenty-two".