263879116 has 24 divisors (see below), whose sum is σ = 485847936. Its totient is φ = 125239680.

The previous prime is 263879113. The next prime is 263879123. The reversal of 263879116 is 611978362.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (263879113) 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, 15676 + ... + 27811.

It is an arithmetic number, because the mean of its divisors is an integer number (20243664).

Almost surely, 2^263879116 is an apocalyptic number.

It is an amenable number.

263879116 is a deficient number, since it is larger than the sum of its proper divisors (221968820).

263879116 is a wasteful number, since it uses less digits than its factorization.

263879116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43569 (or 43567 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 263879116 is about 16244.3564353901. The cubic root of 263879116 is about 641.4089370153.

The spelling of 263879116 in words is "two hundred sixty-three million, eight hundred seventy-nine thousand, one hundred sixteen".