811713903 has 64 divisors (see below), whose sum is σ = 1464486912. Its totient is φ = 386196480.

The previous prime is 811713893. The next prime is 811713913. The reversal of 811713903 is 309317118.

811713903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (811713893) and next prime (811713913).

It is not a de Polignac number, because 811713903 - 2¹⁴ = 811697519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811713913) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 410425 + ... + 412397.

It is an arithmetic number, because the mean of its divisors is an integer number (22882608).

Almost surely, 2^811713903 is an apocalyptic number.

811713903 is a deficient number, since it is larger than the sum of its proper divisors (652773009).

811713903 is a wasteful number, since it uses less digits than its factorization.

811713903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 811713903 is about 28490.5932370669. The cubic root of 811713903 is about 932.8267571440.

The spelling of 811713903 in words is "eight hundred eleven million, seven hundred thirteen thousand, nine hundred three".