944973977186812 has 12 divisors (see below), whose sum is σ = 1655104717883736. Its totient is φ = 472086914934320.

The previous prime is 944973977186791. The next prime is 944973977186857. The reversal of 944973977186812 is 218681779379449.

It is a super-6 number, since 6×944973977186812⁶ (a number of 91 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 944973977186812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100018409458 + ... + 100018418905.

It is an arithmetic number, because the mean of its divisors is an integer number (137925393156978).

Almost surely, 2^{944973977186812} is an apocalyptic number.

It is an amenable number.

944973977186812 is a deficient number, since it is larger than the sum of its proper divisors (710130740696924).

944973977186812 is a wasteful number, since it uses less digits than its factorization.

944973977186812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200036829548 (or 200036829546 counting only the distinct ones).

The product of its digits is 9217732608, while the sum is 85.

The spelling of 944973977186812 in words is "nine hundred forty-four trillion, nine hundred seventy-three billion, nine hundred seventy-seven million, one hundred eighty-six thousand, eight hundred twelve".