812017328 has 10 divisors (see below), whose sum is σ = 1573283604. Its totient is φ = 406008656.

The previous prime is 812017309. The next prime is 812017337. The reversal of 812017328 is 823710218.

It is a junction number, because it is equal to n+sod(n) for n = 812017294 and 812017303.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25375526 + ... + 25375557.

Almost surely, 2^812017328 is an apocalyptic number.

It is an amenable number.

812017328 is a deficient number, since it is larger than the sum of its proper divisors (761266276).

812017328 is a wasteful number, since it uses less digits than its factorization.

812017328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50751091 (or 50751085 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 812017328 is about 28495.9177427224. The cubic root of 812017328 is about 932.9429753079.

The spelling of 812017328 in words is "eight hundred twelve million, seventeen thousand, three hundred twenty-eight".