813103967 has 4 divisors (see below), whose sum is σ = 875650440. Its totient is φ = 750557496.

The previous prime is 813103961. The next prime is 813104009. The reversal of 813103967 is 769301318.

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

It is not a de Polignac number, because 813103967 - 2²⁸ = 544668511 is a prime.

It is a super-2 number, since 2×813103967² = 1322276122302274178, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 813103967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813103961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31273217 + ... + 31273242.

It is an arithmetic number, because the mean of its divisors is an integer number (218912610).

Almost surely, 2^813103967 is an apocalyptic number.

813103967 is a deficient number, since it is larger than the sum of its proper divisors (62546473).

813103967 is a wasteful number, since it uses less digits than its factorization.

813103967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62546472.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 813103967 is about 28514.9779414258. The cubic root of 813103967 is about 933.3589435858.

The spelling of 813103967 in words is "eight hundred thirteen million, one hundred three thousand, nine hundred sixty-seven".