670715847715 has 16 divisors (see below), whose sum is σ = 872989125120. Its totient is φ = 492692270080.

The previous prime is 670715847713. The next prime is 670715847721. The reversal of 670715847715 is 517748517076.

It is not a de Polignac number, because 670715847715 - 2¹ = 670715847713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 670715847715.

It is not an unprimeable number, because it can be changed into a prime (670715847713) 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, 96225475 + ... + 96232444.

It is an arithmetic number, because the mean of its divisors is an integer number (54561820320).

Almost surely, 2^670715847715 is an apocalyptic number.

670715847715 is a deficient number, since it is larger than the sum of its proper divisors (202273277405).

670715847715 is a wasteful number, since it uses less digits than its factorization.

670715847715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192457982.

The product of its (nonzero) digits is 11524800, while the sum is 58.

The spelling of 670715847715 in words is "six hundred seventy billion, seven hundred fifteen million, eight hundred forty-seven thousand, seven hundred fifteen".