707996810977 has 4 divisors (see below), whose sum is σ = 708222506436. Its totient is φ = 707771115520.

The previous prime is 707996810959. The next prime is 707996811047. The reversal of 707996810977 is 779018699707.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 696892709601 + 11104101376 = 834801^2 + 105376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-707996810977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (707996817977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112843024 + ... + 112849297.

It is an arithmetic number, because the mean of its divisors is an integer number (177055626609).

Almost surely, 2^707996810977 is an apocalyptic number.

It is an amenable number.

707996810977 is a deficient number, since it is larger than the sum of its proper divisors (225695459).

707996810977 is a wasteful number, since it uses less digits than its factorization.

707996810977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225695458.

The product of its (nonzero) digits is 84015792, while the sum is 70.

The spelling of 707996810977 in words is "seven hundred seven billion, nine hundred ninety-six million, eight hundred ten thousand, nine hundred seventy-seven".