255537879 has 8 divisors (see below), whose sum is σ = 352466160. Its totient is φ = 164484096.

The previous prime is 255537869. The next prime is 255537907. The reversal of 255537879 is 978735552.

It is a happy number.

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

It is not a de Polignac number, because 255537879 - 2⁵ = 255537847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255537839) 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, 1468522 + ... + 1468695.

It is an arithmetic number, because the mean of its divisors is an integer number (44058270).

Almost surely, 2^255537879 is an apocalyptic number.

255537879 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

255537879 is a deficient number, since it is larger than the sum of its proper divisors (96928281).

255537879 is a wasteful number, since it uses less digits than its factorization.

255537879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937249.

The product of its digits is 2646000, while the sum is 51.

The square root of 255537879 is about 15985.5521956547. The cubic root of 255537879 is about 634.5781222407.

The spelling of 255537879 in words is "two hundred fifty-five million, five hundred thirty-seven thousand, eight hundred seventy-nine".