812463852 has 24 divisors (see below), whose sum is σ = 1915295536. Its totient is φ = 268028928.

The previous prime is 812463829. The next prime is 812463923. The reversal of 812463852 is 258364218.

It is a self number, because there is not a number n which added to its sum of digits gives 812463852.

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, 347833 + ... + 350160.

Almost surely, 2^812463852 is an apocalyptic number.

It is an amenable number.

812463852 is an abundant number, since it is smaller than the sum of its proper divisors (1102831684).

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

812463852 is a wasteful number, since it uses less digits than its factorization.

812463852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698097 (or 698095 counting only the distinct ones).

The product of its digits is 92160, while the sum is 39.

The square root of 812463852 is about 28503.7515425601. The cubic root of 812463852 is about 933.1139507618.

The spelling of 812463852 in words is "eight hundred twelve million, four hundred sixty-three thousand, eight hundred fifty-two".