680752511 has 8 divisors (see below), whose sum is σ = 700084944. Its totient is φ = 661660480.

The previous prime is 680752489. The next prime is 680752517. The reversal of 680752511 is 115257086.

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

It is a de Polignac number, because none of the positive numbers 2^k-680752511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680752517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54350 + ... + 65691.

It is an arithmetic number, because the mean of its divisors is an integer number (87510618).

Almost surely, 2^680752511 is an apocalyptic number.

680752511 is a deficient number, since it is larger than the sum of its proper divisors (19332433).

680752511 is a wasteful number, since it uses less digits than its factorization.

680752511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120201.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 680752511 is about 26091.2343709530. The cubic root of 680752511 is about 879.6901935444.

The spelling of 680752511 in words is "six hundred eighty million, seven hundred fifty-two thousand, five hundred eleven".