812706979084 has 486 divisors, whose sum is σ = 2044375820676. Its totient is φ = 281513232000.

The previous prime is 812706979057. The next prime is 812706979103. The reversal of 812706979084 is 480979607218.

812706979084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 161 ways as a sum of consecutive naturals, for example, 3851691739 + ... + 3851691949.

Almost surely, 2^812706979084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812706979084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022187910338).

812706979084 is an abundant number, since it is smaller than the sum of its proper divisors (1231668841592).

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

812706979084 is a wasteful number, since it uses less digits than its factorization.

812706979084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 61.

The spelling of 812706979084 in words is "eight hundred twelve billion, seven hundred six million, nine hundred seventy-nine thousand, eighty-four".