80966419 has 2 divisors, whose sum is σ = 80966420. Its totient is φ = 80966418.

The previous prime is 80966411. The next prime is 80966423. The reversal of 80966419 is 91466908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80966419 - 2³ = 80966411 is a prime.

It is a super-2 number, since 2×80966419² = 13111122011367122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80966411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40483209 + 40483210.

It is an arithmetic number, because the mean of its divisors is an integer number (40483210).

Almost surely, 2^80966419 is an apocalyptic number.

80966419 is a deficient number, since it is larger than the sum of its proper divisors (1).

80966419 is an equidigital number, since it uses as much as digits as its factorization.

80966419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 80966419 is about 8998.1341954874. The cubic root of 80966419 is about 432.6150700090.

The spelling of 80966419 in words is "eighty million, nine hundred sixty-six thousand, four hundred nineteen".