807680681 has 8 divisors (see below), whose sum is σ = 810855360. Its totient is φ = 804513232.

The previous prime is 807680669. The next prime is 807680683. The reversal of 807680681 is 186086708.

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 807680681 - 2¹⁰ = 807679657 is a prime.

It is a super-2 number, since 2×807680681² = 1304696164921247522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (807680683) 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, 327230 + ... + 329688.

It is an arithmetic number, because the mean of its divisors is an integer number (101356920).

Almost surely, 2^807680681 is an apocalyptic number.

It is an amenable number.

807680681 is a deficient number, since it is larger than the sum of its proper divisors (3174679).

807680681 is a wasteful number, since it uses less digits than its factorization.

807680681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 807680681 is about 28419.7234504490. The cubic root of 807680681 is about 931.2791897161.

The spelling of 807680681 in words is "eight hundred seven million, six hundred eighty thousand, six hundred eighty-one".