772867149812 has 24 divisors (see below), whose sum is σ = 1354808137536. Its totient is φ = 385779279168.

The previous prime is 772867149779. The next prime is 772867149829. The reversal of 772867149812 is 218941768277.

It is a congruent number.

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, 23998673 + ... + 24030855.

It is an arithmetic number, because the mean of its divisors is an integer number (56450339064).

Almost surely, 2^772867149812 is an apocalyptic number.

It is an amenable number.

772867149812 is a deficient number, since it is larger than the sum of its proper divisors (581940987724).

772867149812 is a wasteful number, since it uses less digits than its factorization.

772867149812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42167 (or 42165 counting only the distinct ones).

The product of its digits is 18966528, while the sum is 62.

The spelling of 772867149812 in words is "seven hundred seventy-two billion, eight hundred sixty-seven million, one hundred forty-nine thousand, eight hundred twelve".