806958954972 has 18 divisors (see below), whose sum is σ = 2039812914048. Its totient is φ = 268986318312.

The previous prime is 806958954937. The next prime is 806958954973. The reversal of 806958954972 is 279459859608.

806958954972 is a `hidden beast` number, since 8 + 0 + 6 + 9 + 5 + 8 + 9 + 549 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 806958954972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806958954973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11207763228 + ... + 11207763299.

Almost surely, 2^806958954972 is an apocalyptic number.

It is an amenable number.

806958954972 is an abundant number, since it is smaller than the sum of its proper divisors (1232853959076).

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

806958954972 is a wasteful number, since it uses less digits than its factorization.

806958954972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22415526537 (or 22415526532 counting only the distinct ones).

The product of its (nonzero) digits is 391910400, while the sum is 72.

The spelling of 806958954972 in words is "eight hundred six billion, nine hundred fifty-eight million, nine hundred fifty-four thousand, nine hundred seventy-two".