80299391 has 2 divisors, whose sum is σ = 80299392. Its totient is φ = 80299390.

The previous prime is 80299337. The next prime is 80299409. The reversal of 80299391 is 19399208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80299391 - 2¹⁰ = 80298367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80299321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40149695 + 40149696.

It is an arithmetic number, because the mean of its divisors is an integer number (40149696).

Almost surely, 2^80299391 is an apocalyptic number.

80299391 is a deficient number, since it is larger than the sum of its proper divisors (1).

80299391 is an equidigital number, since it uses as much as digits as its factorization.

80299391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 80299391 is about 8960.9927463423. The cubic root of 80299391 is about 431.4237841637.

The spelling of 80299391 in words is "eighty million, two hundred ninety-nine thousand, three hundred ninety-one".