80832979 has 2 divisors, whose sum is σ = 80832980. Its totient is φ = 80832978.

The previous prime is 80832967. The next prime is 80832989. The reversal of 80832979 is 97923808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80832979 - 2¹¹ = 80830931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80832929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40416489 + 40416490.

It is an arithmetic number, because the mean of its divisors is an integer number (40416490).

Almost surely, 2^80832979 is an apocalyptic number.

80832979 is a deficient number, since it is larger than the sum of its proper divisors (1).

80832979 is an equidigital number, since it uses as much as digits as its factorization.

80832979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 80832979 is about 8990.7162673504. The cubic root of 80832979 is about 432.3772763720.

The spelling of 80832979 in words is "eighty million, eight hundred thirty-two thousand, nine hundred seventy-nine".