80850739 has 2 divisors, whose sum is σ = 80850740. Its totient is φ = 80850738.

The previous prime is 80850703. The next prime is 80850751. The reversal of 80850739 is 93705808.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80850739 - 2⁹ = 80850227 is a prime.

It is a super-2 number, since 2×80850739² = 13073683993692242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80850779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40425369 + 40425370.

It is an arithmetic number, because the mean of its divisors is an integer number (40425370).

Almost surely, 2^80850739 is an apocalyptic number.

80850739 is a deficient number, since it is larger than the sum of its proper divisors (1).

80850739 is an equidigital number, since it uses as much as digits as its factorization.

80850739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 80850739 is about 8991.7038985945. The cubic root of 80850739 is about 432.4089402556.

The spelling of 80850739 in words is "eighty million, eight hundred fifty thousand, seven hundred thirty-nine".