812074775 has 12 divisors (see below), whose sum is σ = 1007638632. Its totient is φ = 649230240.

The previous prime is 812074759. The next prime is 812074787. The reversal of 812074775 is 577470218.

812074775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 812074775 - 2⁴ = 812074759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31004 + ... + 50846.

It is an arithmetic number, because the mean of its divisors is an integer number (83969886).

Almost surely, 2^812074775 is an apocalyptic number.

812074775 is a deficient number, since it is larger than the sum of its proper divisors (195563857).

812074775 is a wasteful number, since it uses less digits than its factorization.

812074775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21490 (or 21485 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 41.

The square root of 812074775 is about 28496.9257113816. The cubic root of 812074775 is about 932.9649754588.

The spelling of 812074775 in words is "eight hundred twelve million, seventy-four thousand, seven hundred seventy-five".