80372377 has 2 divisors, whose sum is σ = 80372378. Its totient is φ = 80372376.

The previous prime is 80372371. The next prime is 80372387. The reversal of 80372377 is 77327308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77951241 + 2421136 = 8829^2 + 1556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80372377 is a prime.

It is not a weakly prime, because it can be changed into another prime (80372371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40186188 + 40186189.

It is an arithmetic number, because the mean of its divisors is an integer number (40186189).

Almost surely, 2^80372377 is an apocalyptic number.

It is an amenable number.

80372377 is a deficient number, since it is larger than the sum of its proper divisors (1).

80372377 is an equidigital number, since it uses as much as digits as its factorization.

80372377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 80372377 is about 8965.0642496303. The cubic root of 80372377 is about 431.5544549808.

The spelling of 80372377 in words is "eighty million, three hundred seventy-two thousand, three hundred seventy-seven".