705786296868 has 36 divisors (see below), whose sum is σ = 1784101488988. Its totient is φ = 235258067520.

The previous prime is 705786296867. The next prime is 705786296947. The reversal of 705786296868 is 868692687507.

It can be written as a sum of positive squares in 2 ways, for example, as 508186488384 + 197599808484 = 712872^2 + 444522^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 705786296796 and 705786296805.

It is not an unprimeable number, because it can be changed into a prime (705786296867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2576130 + ... + 2836902.

Almost surely, 2^705786296868 is an apocalyptic number.

It is an amenable number.

705786296868 is an abundant number, since it is smaller than the sum of its proper divisors (1078315192120).

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

705786296868 is a wasteful number, since it uses less digits than its factorization.

705786296868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335964 (or 335959 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 705786296868 in words is "seven hundred five billion, seven hundred eighty-six million, two hundred ninety-six thousand, eight hundred sixty-eight".