255898379 has 16 divisors (see below), whose sum is σ = 283941504. Its totient is φ = 228681600.

The previous prime is 255898373. The next prime is 255898381. The reversal of 255898379 is 973898552.

It is a de Polignac number, because none of the positive numbers 2^k-255898379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255898373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219452 + ... + 220614.

It is an arithmetic number, because the mean of its divisors is an integer number (17746344).

Almost surely, 2^255898379 is an apocalyptic number.

255898379 is a deficient number, since it is larger than the sum of its proper divisors (28043125).

255898379 is a wasteful number, since it uses less digits than its factorization.

255898379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498.

The product of its digits is 5443200, while the sum is 56.

The square root of 255898379 is about 15996.8240285377. The cubic root of 255898379 is about 634.8763923332.

The spelling of 255898379 in words is "two hundred fifty-five million, eight hundred ninety-eight thousand, three hundred seventy-nine".