80373737 has 2 divisors, whose sum is σ = 80373738. Its totient is φ = 80373736.

The previous prime is 80373721. The next prime is 80373749. The reversal of 80373737 is 73737308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64818601 + 15555136 = 8051^2 + 3944^2 .

It is a cyclic number.

It is not a de Polignac number, because 80373737 - 2⁴ = 80373721 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80373737.

It is not a weakly prime, because it can be changed into another prime (80373757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40186868 + 40186869.

It is an arithmetic number, because the mean of its divisors is an integer number (40186869).

Almost surely, 2^80373737 is an apocalyptic number.

It is an amenable number.

80373737 is a deficient number, since it is larger than the sum of its proper divisors (1).

80373737 is an equidigital number, since it uses as much as digits as its factorization.

80373737 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 38.

The square root of 80373737 is about 8965.1400992957. The cubic root of 80373737 is about 431.5568891121.

The spelling of 80373737 in words is "eighty million, three hundred seventy-three thousand, seven hundred thirty-seven".