255917379 has 8 divisors (see below), whose sum is σ = 343397200. Its totient is φ = 169524576.

The previous prime is 255917377. The next prime is 255917393. The reversal of 255917379 is 973719552.

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

It is not a de Polignac number, because 255917379 - 2¹ = 255917377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255917377) 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, 271204 + ... + 272145.

It is an arithmetic number, because the mean of its divisors is an integer number (42924650).

Almost surely, 2^255917379 is an apocalyptic number.

255917379 is a deficient number, since it is larger than the sum of its proper divisors (87479821).

255917379 is a wasteful number, since it uses less digits than its factorization.

255917379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543509.

The product of its digits is 595350, while the sum is 48.

The square root of 255917379 is about 15997.4178853964. The cubic root of 255917379 is about 634.8921047591.

The spelling of 255917379 in words is "two hundred fifty-five million, nine hundred seventeen thousand, three hundred seventy-nine".