80780844363 has 4 divisors (see below), whose sum is σ = 107707792488. Its totient is φ = 53853896240.

The previous prime is 80780844349. The next prime is 80780844367. The reversal of 80780844363 is 36344808708.

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 80780844363 - 2⁶ = 80780844299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80780844367) 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, 13463474058 + ... + 13463474063.

It is an arithmetic number, because the mean of its divisors is an integer number (26926948122).

Almost surely, 2^80780844363 is an apocalyptic number.

80780844363 is a deficient number, since it is larger than the sum of its proper divisors (26926948125).

80780844363 is a wasteful number, since it uses less digits than its factorization.

80780844363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26926948124.

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 80780844363 in words is "eighty billion, seven hundred eighty million, eight hundred forty-four thousand, three hundred sixty-three".