811502930 has 16 divisors (see below), whose sum is σ = 1669377600. Its totient is φ = 278229552.

The previous prime is 811502927. The next prime is 811502941. The reversal of 811502930 is 39205118.

It is a junction number, because it is equal to n+sod(n) for n = 811502893 and 811502902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5796380 + ... + 5796519.

It is an arithmetic number, because the mean of its divisors is an integer number (104336100).

Almost surely, 2^811502930 is an apocalyptic number.

811502930 is an abundant number, since it is smaller than the sum of its proper divisors (857874670).

811502930 is a wasteful number, since it uses less digits than its factorization.

811502930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592913.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 811502930 is about 28486.8904936990. The cubic root of 811502930 is about 932.7459329721.

The spelling of 811502930 in words is "eight hundred eleven million, five hundred two thousand, nine hundred thirty".