680071767 has 16 divisors (see below), whose sum is σ = 911726592. Its totient is φ = 450907200.

The previous prime is 680071759. The next prime is 680071771. The reversal of 680071767 is 767170086.

It is not a de Polignac number, because 680071767 - 2³ = 680071759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680071747) 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, 625098 + ... + 626184.

It is an arithmetic number, because the mean of its divisors is an integer number (56982912).

Almost surely, 2^680071767 is an apocalyptic number.

680071767 is a deficient number, since it is larger than the sum of its proper divisors (231654825).

680071767 is a wasteful number, since it uses less digits than its factorization.

680071767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038.

The product of its (nonzero) digits is 98784, while the sum is 42.

The square root of 680071767 is about 26078.1856539139. The cubic root of 680071767 is about 879.3968693507.

The spelling of 680071767 in words is "six hundred eighty million, seventy-one thousand, seven hundred sixty-seven".