812283751824 has 40 divisors (see below), whose sum is σ = 2098463478432. Its totient is φ = 270753020160.

The previous prime is 812283751823. The next prime is 812283751889. The reversal of 812283751824 is 428157382218.

It is not an unprimeable number, because it can be changed into a prime (812283751823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455964 + ... + 1935044.

Almost surely, 2^812283751824 is an apocalyptic number.

It is an amenable number.

812283751824 is an abundant number, since it is smaller than the sum of its proper divisors (1286179726608).

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

812283751824 is a wasteful number, since it uses less digits than its factorization.

812283751824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514415 (or 514409 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The spelling of 812283751824 in words is "eight hundred twelve billion, two hundred eighty-three million, seven hundred fifty-one thousand, eight hundred twenty-four".