255319670 has 8 divisors (see below), whose sum is σ = 459575424. Its totient is φ = 102127864.

The previous prime is 255319643. The next prime is 255319679. The reversal of 255319670 is 76913552.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255319679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12765974 + ... + 12765993.

It is an arithmetic number, because the mean of its divisors is an integer number (57446928).

Almost surely, 2^255319670 is an apocalyptic number.

255319670 is a deficient number, since it is larger than the sum of its proper divisors (204255754).

255319670 is a wasteful number, since it uses less digits than its factorization.

255319670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25531974.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 255319670 is about 15978.7255436721. The cubic root of 255319670 is about 634.3974444080.

The spelling of 255319670 in words is "two hundred fifty-five million, three hundred nineteen thousand, six hundred seventy".