80683247899 has 4 divisors (see below), whose sum is σ = 80723014960. Its totient is φ = 80643480840.

The previous prime is 80683247891. The next prime is 80683247921. The reversal of 80683247899 is 99874238608.

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 80683247899 - 2³ = 80683247891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80683247899.

It is not an unprimeable number, because it can be changed into a prime (80683247891) 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, 19880487 + ... + 19884544.

It is an arithmetic number, because the mean of its divisors is an integer number (20180753740).

Almost surely, 2^80683247899 is an apocalyptic number.

80683247899 is a deficient number, since it is larger than the sum of its proper divisors (39767061).

80683247899 is a wasteful number, since it uses less digits than its factorization.

80683247899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39767060.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 80683247899 in words is "eighty billion, six hundred eighty-three million, two hundred forty-seven thousand, eight hundred ninety-nine".