680051751 has 8 divisors (see below), whose sum is σ = 927822720. Its totient is φ = 442824312.

The previous prime is 680051737. The next prime is 680051761. The reversal of 680051751 is 157150086.

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

It is not a de Polignac number, because 680051751 - 2⁵ = 680051719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680051761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2635731 + ... + 2635988.

It is an arithmetic number, because the mean of its divisors is an integer number (115977840).

Almost surely, 2^680051751 is an apocalyptic number.

680051751 is a deficient number, since it is larger than the sum of its proper divisors (247770969).

680051751 is a wasteful number, since it uses less digits than its factorization.

680051751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271765.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 680051751 is about 26077.8018820605. The cubic root of 680051751 is about 879.3882417415.

The spelling of 680051751 in words is "six hundred eighty million, fifty-one thousand, seven hundred fifty-one".