8077407661331 has 2 divisors, whose sum is σ = 8077407661332. Its totient is φ = 8077407661330.

The previous prime is 8077407661283. The next prime is 8077407661471. The reversal of 8077407661331 is 1331667047708.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8077407661331 - 2²⁶ = 8077340552467 is a prime.

It is a super-2 number, since 2×8077407661331² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8077407651331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4038703830665 + 4038703830666.

It is an arithmetic number, because the mean of its divisors is an integer number (4038703830666).

Almost surely, 2^{8077407661331} is an apocalyptic number.

8077407661331 is a deficient number, since it is larger than the sum of its proper divisors (1).

8077407661331 is an equidigital number, since it uses as much as digits as its factorization.

8077407661331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 8077407661331 in words is "eight trillion, seventy-seven billion, four hundred seven million, six hundred sixty-one thousand, three hundred thirty-one".