80834491 has 2 divisors, whose sum is σ = 80834492. Its totient is φ = 80834490.

The previous prime is 80834483. The next prime is 80834519. The reversal of 80834491 is 19443808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80834491 - 2³ = 80834483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80834491.

It is not a weakly prime, because it can be changed into another prime (80834401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40417245 + 40417246.

It is an arithmetic number, because the mean of its divisors is an integer number (40417246).

Almost surely, 2^80834491 is an apocalyptic number.

80834491 is a deficient number, since it is larger than the sum of its proper divisors (1).

80834491 is an equidigital number, since it uses as much as digits as its factorization.

80834491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 80834491 is about 8990.8003536949. The cubic root of 80834491 is about 432.3799722616.

The spelling of 80834491 in words is "eighty million, eight hundred thirty-four thousand, four hundred ninety-one".