80372343803 has 4 divisors (see below), whose sum is σ = 81473334888. Its totient is φ = 79271352720.

The previous prime is 80372343769. The next prime is 80372343809. The reversal of 80372343803 is 30834327308.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80372343803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80372343809) 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, 550495433 + ... + 550495578.

It is an arithmetic number, because the mean of its divisors is an integer number (20368333722).

Almost surely, 2^80372343803 is an apocalyptic number.

80372343803 is a deficient number, since it is larger than the sum of its proper divisors (1100991085).

80372343803 is a wasteful number, since it uses less digits than its factorization.

80372343803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100991084.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 80372343803 in words is "eighty billion, three hundred seventy-two million, three hundred forty-three thousand, eight hundred three".