807977937312 has 144 divisors (see below), whose sum is σ = 2827922872320. Its totient is φ = 213093075456.

The previous prime is 807977937301. The next prime is 807977937331. The reversal of 807977937312 is 213739779708.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 807977937312.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15388512 + ... + 15440927.

It is an arithmetic number, because the mean of its divisors is an integer number (19638353280).

Almost surely, 2^807977937312 is an apocalyptic number.

It is an amenable number.

807977937312 is an abundant number, since it is smaller than the sum of its proper divisors (2019944935008).

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

807977937312 is a wasteful number, since it uses less digits than its factorization.

807977937312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30829475 (or 30829464 counting only the distinct ones).

The product of its (nonzero) digits is 28005264, while the sum is 63.

The spelling of 807977937312 in words is "eight hundred seven billion, nine hundred seventy-seven million, nine hundred thirty-seven thousand, three hundred twelve".