80692919 has 2 divisors, whose sum is σ = 80692920. Its totient is φ = 80692918.

The previous prime is 80692889. The next prime is 80692949. The reversal of 80692919 is 91929608.

It is a balanced prime because it is at equal distance from previous prime (80692889) and next prime (80692949).

It is a cyclic number.

It is not a de Polignac number, because 80692919 - 2²⁰ = 79644343 is a prime.

It is a super-2 number, since 2×80692919² = 13022694353481122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80692919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80692949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40346459 + 40346460.

It is an arithmetic number, because the mean of its divisors is an integer number (40346460).

Almost surely, 2^80692919 is an apocalyptic number.

80692919 is a deficient number, since it is larger than the sum of its proper divisors (1).

80692919 is an equidigital number, since it uses as much as digits as its factorization.

80692919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 80692919 is about 8982.9237445277. The cubic root of 80692919 is about 432.1274040522.

The spelling of 80692919 in words is "eighty million, six hundred ninety-two thousand, nine hundred nineteen".