8312751659477 has 2 divisors, whose sum is σ = 8312751659478. Its totient is φ = 8312751659476.

The previous prime is 8312751659467. The next prime is 8312751659543. The reversal of 8312751659477 is 7749561572138.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4764467410756 + 3548284248721 = 2182766^2 + 1883689^2 .

It is a cyclic number.

It is not a de Polignac number, because 8312751659477 - 2⁶ = 8312751659413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8312751659467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4156375829738 + 4156375829739.

It is an arithmetic number, because the mean of its divisors is an integer number (4156375829739).

Almost surely, 2^{8312751659477} is an apocalyptic number.

It is an amenable number.

8312751659477 is a deficient number, since it is larger than the sum of its proper divisors (1).

8312751659477 is an equidigital number, since it uses as much as digits as its factorization.

8312751659477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88905600, while the sum is 65.

The spelling of 8312751659477 in words is "eight trillion, three hundred twelve billion, seven hundred fifty-one million, six hundred fifty-nine thousand, four hundred seventy-seven".