255870856294 has 4 divisors (see below), whose sum is σ = 383806284444. Its totient is φ = 127935428146.

The previous prime is 255870856243. The next prime is 255870856301. The reversal of 255870856294 is 492658078552.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63967714072 + ... + 63967714075.

It is an arithmetic number, because the mean of its divisors is an integer number (95951571111).

Almost surely, 2^255870856294 is an apocalyptic number.

255870856294 is a deficient number, since it is larger than the sum of its proper divisors (127935428150).

255870856294 is a wasteful number, since it uses less digits than its factorization.

255870856294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127935428149.

The product of its (nonzero) digits is 48384000, while the sum is 61.

The spelling of 255870856294 in words is "two hundred fifty-five billion, eight hundred seventy million, eight hundred fifty-six thousand, two hundred ninety-four".