80753737 has 2 divisors, whose sum is σ = 80753738. Its totient is φ = 80753736.

The previous prime is 80753711. The next prime is 80753741. The reversal of 80753737 is 73735708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75012921 + 5740816 = 8661^2 + 2396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80753737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80753737.

It is not a weakly prime, because it can be changed into another prime (80753707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40376868 + 40376869.

It is an arithmetic number, because the mean of its divisors is an integer number (40376869).

Almost surely, 2^80753737 is an apocalyptic number.

It is an amenable number.

80753737 is a deficient number, since it is larger than the sum of its proper divisors (1).

80753737 is an equidigital number, since it uses as much as digits as its factorization.

80753737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 80753737 is about 8986.3083076422. The cubic root of 80753737 is about 432.2359411452.

The spelling of 80753737 in words is "eighty million, seven hundred fifty-three thousand, seven hundred thirty-seven".