670768702695 has 80 divisors (see below), whose sum is σ = 1479895475520. Its totient is φ = 283049634816.

The previous prime is 670768702679. The next prime is 670768702763. The reversal of 670768702695 is 596207867076.

It is not a de Polignac number, because 670768702695 - 2⁴ = 670768702679 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9063250 + ... + 9136959.

It is an arithmetic number, because the mean of its divisors is an integer number (18498693444).

Almost surely, 2^670768702695 is an apocalyptic number.

670768702695 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

670768702695 is an abundant number, since it is smaller than the sum of its proper divisors (809126772825).

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

670768702695 is a wasteful number, since it uses less digits than its factorization.

670768702695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18200246 (or 18200237 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 63.

The spelling of 670768702695 in words is "six hundred seventy billion, seven hundred sixty-eight million, seven hundred two thousand, six hundred ninety-five".