812874951 has 12 divisors (see below), whose sum is σ = 1341888912. Its totient is φ = 464499936.

The previous prime is 812874949. The next prime is 812874961. The reversal of 812874951 is 159478218.

812874951 is a `hidden beast` number, since 81 + 2 + 87 + 495 + 1 = 666.

It is not a de Polignac number, because 812874951 - 2¹ = 812874949 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 812874897 and 812874906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812874911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6451326 + ... + 6451451.

It is an arithmetic number, because the mean of its divisors is an integer number (111824076).

Almost surely, 2^812874951 is an apocalyptic number.

812874951 is a deficient number, since it is larger than the sum of its proper divisors (529013961).

812874951 is a wasteful number, since it uses less digits than its factorization.

812874951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12902790 (or 12902787 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 812874951 is about 28510.9619444872. The cubic root of 812874951 is about 933.2713064930.

The spelling of 812874951 in words is "eight hundred twelve million, eight hundred seventy-four thousand, nine hundred fifty-one".