80399365063 has 4 divisors (see below), whose sum is σ = 80735764320. Its totient is φ = 80062965808.

The previous prime is 80399365061. The next prime is 80399365103. The reversal of 80399365063 is 36056399308.

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 80399365063 - 2¹ = 80399365061 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 80399365063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80399365061) 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, 168199270 + ... + 168199747.

It is an arithmetic number, because the mean of its divisors is an integer number (20183941080).

Almost surely, 2^80399365063 is an apocalyptic number.

80399365063 is a deficient number, since it is larger than the sum of its proper divisors (336399257).

80399365063 is a wasteful number, since it uses less digits than its factorization.

80399365063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336399256.

The product of its (nonzero) digits is 3149280, while the sum is 52.

The spelling of 80399365063 in words is "eighty billion, three hundred ninety-nine million, three hundred sixty-five thousand, sixty-three".