263282507878 has 12 divisors (see below), whose sum is σ = 427639340268. Its totient is φ = 121515003480.

The previous prime is 263282507869. The next prime is 263282507879. The reversal of 263282507878 is 878705282362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263282507879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389470828 + ... + 389471503.

It is an arithmetic number, because the mean of its divisors is an integer number (35636611689).

Almost surely, 2^263282507878 is an apocalyptic number.

263282507878 is a deficient number, since it is larger than the sum of its proper divisors (164356832390).

263282507878 is a wasteful number, since it uses less digits than its factorization.

263282507878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778942359 (or 778942346 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 263282507878 in words is "two hundred sixty-three billion, two hundred eighty-two million, five hundred seven thousand, eight hundred seventy-eight".