80379191 has 2 divisors, whose sum is σ = 80379192. Its totient is φ = 80379190.

The previous prime is 80379157. The next prime is 80379197. The reversal of 80379191 is 19197308.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80379191 - 2⁶ = 80379127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80379197) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40189595 + 40189596.

It is an arithmetic number, because the mean of its divisors is an integer number (40189596).

Almost surely, 2^80379191 is an apocalyptic number.

80379191 is a deficient number, since it is larger than the sum of its proper divisors (1).

80379191 is an equidigital number, since it uses as much as digits as its factorization.

80379191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 80379191 is about 8965.4442723158. Note that the first 3 decimals coincide. The cubic root of 80379191 is about 431.5666504185.

The spelling of 80379191 in words is "eighty million, three hundred seventy-nine thousand, one hundred ninety-one".