255750232779 has 24 divisors (see below), whose sum is σ = 383673219072. Its totient is φ = 163987850160.

The previous prime is 255750232739. The next prime is 255750232783. The reversal of 255750232779 is 977232057552.

255750232779 is a `hidden beast` number, since 2 + 557 + 50 + 2 + 32 + 7 + 7 + 9 = 666.

It is not a de Polignac number, because 255750232779 - 2¹¹ = 255750230731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255750232709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2766387 + ... + 2857340.

It is an arithmetic number, because the mean of its divisors is an integer number (15986384128).

Almost surely, 2^255750232779 is an apocalyptic number.

255750232779 is a deficient number, since it is larger than the sum of its proper divisors (127922986293).

255750232779 is a wasteful number, since it uses less digits than its factorization.

255750232779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623927 (or 5623924 counting only the distinct ones).

The product of its (nonzero) digits is 9261000, while the sum is 54.

The spelling of 255750232779 in words is "two hundred fifty-five billion, seven hundred fifty million, two hundred thirty-two thousand, seven hundred seventy-nine".