257772116 has 24 divisors (see below), whose sum is σ = 516235776. Its totient is φ = 110325600.

The previous prime is 257772113. The next prime is 257772127. The reversal of 257772116 is 611277752.

It is a self number, because there is not a number n which added to its sum of digits gives 257772116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257772113) 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, 16541 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (21509824).

Almost surely, 2^257772116 is an apocalyptic number.

It is an amenable number.

257772116 is an abundant number, since it is smaller than the sum of its proper divisors (258463660).

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

257772116 is a wasteful number, since it uses less digits than its factorization.

257772116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12359 (or 12357 counting only the distinct ones).

The product of its digits is 41160, while the sum is 38.

The square root of 257772116 is about 16055.2831180269. The cubic root of 257772116 is about 636.4221878074.

The spelling of 257772116 in words is "two hundred fifty-seven million, seven hundred seventy-two thousand, one hundred sixteen".