80377697 has 2 divisors, whose sum is σ = 80377698. Its totient is φ = 80377696.

The previous prime is 80377673. The next prime is 80377711. The reversal of 80377697 is 79677308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70543201 + 9834496 = 8399^2 + 3136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80377697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80377667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40188848 + 40188849.

It is an arithmetic number, because the mean of its divisors is an integer number (40188849).

Almost surely, 2^80377697 is an apocalyptic number.

It is an amenable number.

80377697 is a deficient number, since it is larger than the sum of its proper divisors (1).

80377697 is an equidigital number, since it uses as much as digits as its factorization.

80377697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 80377697 is about 8965.3609520197. The cubic root of 80377697 is about 431.5639765732.

The spelling of 80377697 in words is "eighty million, three hundred seventy-seven thousand, six hundred ninety-seven".