811928694 has 8 divisors (see below), whose sum is σ = 1623857400. Its totient is φ = 270642896.

The previous prime is 811928693. The next prime is 811928701. The reversal of 811928694 is 496829118.

It is a sphenic number, since it is the product of 3 distinct primes.

811928694 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811928693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67660719 + ... + 67660730.

It is an arithmetic number, because the mean of its divisors is an integer number (202982175).

Almost surely, 2^811928694 is an apocalyptic number.

811928694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

811928694 is a wasteful number, since it uses less digits than its factorization.

811928694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135321454.

The product of its digits is 248832, while the sum is 48.

The square root of 811928694 is about 28494.3624950621. The cubic root of 811928694 is about 932.9090296134.

The spelling of 811928694 in words is "eight hundred eleven million, nine hundred twenty-eight thousand, six hundred ninety-four".