80824379 has 2 divisors, whose sum is σ = 80824380. Its totient is φ = 80824378.

The previous prime is 80824351. The next prime is 80824397. The reversal of 80824379 is 97342808.

Together with next prime (80824397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80824379 - 2⁸ = 80824123 is a prime.

It is not a weakly prime, because it can be changed into another prime (80824319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40412189 + 40412190.

It is an arithmetic number, because the mean of its divisors is an integer number (40412190).

Almost surely, 2^80824379 is an apocalyptic number.

80824379 is a deficient number, since it is larger than the sum of its proper divisors (1).

80824379 is an equidigital number, since it uses as much as digits as its factorization.

80824379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 80824379 is about 8990.2379835019. The cubic root of 80824379 is about 432.3619419689.

The spelling of 80824379 in words is "eighty million, eight hundred twenty-four thousand, three hundred seventy-nine".