80835379 has 2 divisors, whose sum is σ = 80835380. Its totient is φ = 80835378.

The previous prime is 80835371. The next prime is 80835401. The reversal of 80835379 is 97353808.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80835379 - 2³ = 80835371 is a prime.

It is not a weakly prime, because it can be changed into another prime (80835371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40417689 + 40417690.

It is an arithmetic number, because the mean of its divisors is an integer number (40417690).

Almost surely, 2^80835379 is an apocalyptic number.

80835379 is a deficient number, since it is larger than the sum of its proper divisors (1).

80835379 is an equidigital number, since it uses as much as digits as its factorization.

80835379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 80835379 is about 8990.8497373719. The cubic root of 80835379 is about 432.3815555462.

The spelling of 80835379 in words is "eighty million, eight hundred thirty-five thousand, three hundred seventy-nine".