80770379 has 2 divisors, whose sum is σ = 80770380. Its totient is φ = 80770378.

The previous prime is 80770373. The next prime is 80770397. The reversal of 80770379 is 97307708.

It is a happy number.

Together with next prime (80770397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80770379 - 2⁴ = 80770363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80770373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40385189 + 40385190.

It is an arithmetic number, because the mean of its divisors is an integer number (40385190).

Almost surely, 2^80770379 is an apocalyptic number.

80770379 is a deficient number, since it is larger than the sum of its proper divisors (1).

80770379 is an equidigital number, since it uses as much as digits as its factorization.

80770379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 80770379 is about 8987.2342241649. The cubic root of 80770379 is about 432.2656313148.

The spelling of 80770379 in words is "eighty million, seven hundred seventy thousand, three hundred seventy-nine".