80680129893 has 48 divisors (see below), whose sum is σ = 133043411200. Its totient is φ = 48277944000.

The previous prime is 80680129889. The next prime is 80680129909. The reversal of 80680129893 is 39892108608.

It is a happy number.

It is not a de Polignac number, because 80680129893 - 2² = 80680129889 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 (80680129883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101793 + ... + 414393.

Almost surely, 2^80680129893 is an apocalyptic number.

It is an amenable number.

80680129893 is a deficient number, since it is larger than the sum of its proper divisors (52363281307).

80680129893 is a wasteful number, since it uses less digits than its factorization.

80680129893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312711 (or 312694 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 80680129893 in words is "eighty billion, six hundred eighty million, one hundred twenty-nine thousand, eight hundred ninety-three".