705979960868 has 48 divisors (see below), whose sum is σ = 1520884089984. Its totient is φ = 279231494400.

The previous prime is 705979960867. The next prime is 705979960909. The reversal of 705979960868 is 868069979507.

It is a happy number.

It is a super-2 number, since 2×705979960868² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 705979960795 and 705979960804.

It is not an unprimeable number, because it can be changed into a prime (705979960867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1600643 + ... + 1993493.

It is an arithmetic number, because the mean of its divisors is an integer number (31685085208).

Almost surely, 2^705979960868 is an apocalyptic number.

It is an amenable number.

705979960868 is an abundant number, since it is smaller than the sum of its proper divisors (814904129116).

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

705979960868 is a wasteful number, since it uses less digits than its factorization.

705979960868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397812 (or 397810 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 74.

The spelling of 705979960868 in words is "seven hundred five billion, nine hundred seventy-nine million, nine hundred sixty thousand, eight hundred sixty-eight".