680802437467 has 4 divisors (see below), whose sum is σ = 689420189920. Its totient is φ = 672184685016.

The previous prime is 680802437453. The next prime is 680802437527. The reversal of 680802437467 is 764734208086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 680802437467 - 2²⁷ = 680668219739 is a prime.

It is a super-2 number, since 2×680802437467² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680802437407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4308876108 + ... + 4308876265.

It is an arithmetic number, because the mean of its divisors is an integer number (172355047480).

Almost surely, 2^680802437467 is an apocalyptic number.

680802437467 is a deficient number, since it is larger than the sum of its proper divisors (8617752453).

680802437467 is an equidigital number, since it uses as much as digits as its factorization.

680802437467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617752452.

The product of its (nonzero) digits is 10838016, while the sum is 55.

The spelling of 680802437467 in words is "six hundred eighty billion, eight hundred two million, four hundred thirty-seven thousand, four hundred sixty-seven".