80752557553237 has 2 divisors, whose sum is σ = 80752557553238. Its totient is φ = 80752557553236.

The previous prime is 80752557553123. The next prime is 80752557553279. The reversal of 80752557553237 is 73235575525708.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56984894759556 + 23767662793681 = 7548834^2 + 4875209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80752557553237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80752557553337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40376278776618 + 40376278776619.

It is an arithmetic number, because the mean of its divisors is an integer number (40376278776619).

Almost surely, 2^{80752557553237} is an apocalyptic number.

It is an amenable number.

80752557553237 is a deficient number, since it is larger than the sum of its proper divisors (1).

80752557553237 is an equidigital number, since it uses as much as digits as its factorization.

80752557553237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 308700000, while the sum is 64.

The spelling of 80752557553237 in words is "eighty trillion, seven hundred fifty-two billion, five hundred fifty-seven million, five hundred fifty-three thousand, two hundred thirty-seven".