851967893496 has 64 divisors (see below), whose sum is σ = 2203496013600. Its totient is φ = 274180290048.

The previous prime is 851967893473. The next prime is 851967893501. The reversal of 851967893496 is 694398769158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18460626 + ... + 18506718.

Almost surely, 2^851967893496 is an apocalyptic number.

It is an amenable number.

851967893496 is an abundant number, since it is smaller than the sum of its proper divisors (1351528120104).

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

851967893496 is a wasteful number, since it uses less digits than its factorization.

851967893496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72688 (or 72684 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 75.

The spelling of 851967893496 in words is "eight hundred fifty-one billion, nine hundred sixty-seven million, eight hundred ninety-three thousand, four hundred ninety-six".