245793978255 has 16 divisors (see below), whose sum is σ = 449451846144. Its totient is φ = 112362961440.

The previous prime is 245793978191. The next prime is 245793978317. The reversal of 245793978255 is 552879397542.

It is not a de Polignac number, because 245793978255 - 2⁶ = 245793978191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1170447411 + ... + 1170447620.

It is an arithmetic number, because the mean of its divisors is an integer number (28090740384).

Almost surely, 2^245793978255 is an apocalyptic number.

245793978255 is a deficient number, since it is larger than the sum of its proper divisors (203657867889).

245793978255 is a wasteful number, since it uses less digits than its factorization.

245793978255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340895046.

The product of its digits is 190512000, while the sum is 66.

The spelling of 245793978255 in words is "two hundred forty-five billion, seven hundred ninety-three million, nine hundred seventy-eight thousand, two hundred fifty-five".