263973795 has 16 divisors (see below), whose sum is σ = 422738592. Its totient is φ = 140659200.

The previous prime is 263973791. The next prime is 263973803. The reversal of 263973795 is 597379362.

It is not a de Polignac number, because 263973795 - 2² = 263973791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (263973791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10689 + ... + 25341.

It is an arithmetic number, because the mean of its divisors is an integer number (26421162).

Almost surely, 2^263973795 is an apocalyptic number.

263973795 is a deficient number, since it is larger than the sum of its proper divisors (158764797).

263973795 is a wasteful number, since it uses less digits than its factorization.

263973795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862.

The product of its digits is 2143260, while the sum is 51.

The square root of 263973795 is about 16247.2703861295. The cubic root of 263973795 is about 641.4856396814.

The spelling of 263973795 in words is "two hundred sixty-three million, nine hundred seventy-three thousand, seven hundred ninety-five".