80367806377 has 2 divisors, whose sum is σ = 80367806378. Its totient is φ = 80367806376.

The previous prime is 80367806347. The next prime is 80367806381. The reversal of 80367806377 is 77360876308.

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., 78835162176 + 1532644201 = 280776^2 + 39149^2 .

It is a cyclic number.

It is not a de Polignac number, because 80367806377 - 2¹⁵ = 80367773609 is a prime.

It is a super-2 number, since 2×80367806377² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80367806347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40183903188 + 40183903189.

It is an arithmetic number, because the mean of its divisors is an integer number (40183903189).

Almost surely, 2^80367806377 is an apocalyptic number.

It is an amenable number.

80367806377 is a deficient number, since it is larger than the sum of its proper divisors (1).

80367806377 is an equidigital number, since it uses as much as digits as its factorization.

80367806377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 80367806377 in words is "eighty billion, three hundred sixty-seven million, eight hundred six thousand, three hundred seventy-seven".