680752009715 has 8 divisors (see below), whose sum is σ = 823334714880. Its totient is φ = 540313405632.

The previous prime is 680752009703. The next prime is 680752009723. The reversal of 680752009715 is 517900257086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 680752009715 - 2⁸ = 680752009459 is a prime.

It is a super-2 number, since 2×680752009715² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536024570 + ... + 536025839.

It is an arithmetic number, because the mean of its divisors is an integer number (102916839360).

Almost surely, 2^680752009715 is an apocalyptic number.

680752009715 is a deficient number, since it is larger than the sum of its proper divisors (142582705165).

680752009715 is a wasteful number, since it uses less digits than its factorization.

680752009715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072050541.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 680752009715 in words is "six hundred eighty billion, seven hundred fifty-two million, nine thousand, seven hundred fifteen".