8481317077 has 2 divisors, whose sum is σ = 8481317078. Its totient is φ = 8481317076.

The previous prime is 8481317057. The next prime is 8481317093. The reversal of 8481317077 is 7707131848.

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., 8480383921 + 933156 = 92089^2 + 966^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8481317077 is a prime.

It is a super-2 number, since 2×8481317077² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8481317057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4240658538 + 4240658539.

It is an arithmetic number, because the mean of its divisors is an integer number (4240658539).

Almost surely, 2^8481317077 is an apocalyptic number.

It is an amenable number.

8481317077 is a deficient number, since it is larger than the sum of its proper divisors (1).

8481317077 is an equidigital number, since it uses as much as digits as its factorization.

8481317077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 46.

The square root of 8481317077 is about 92094.0664592459. The cubic root of 8481317077 is about 2039.3312139544.

The spelling of 8481317077 in words is "eight billion, four hundred eighty-one million, three hundred seventeen thousand, seventy-seven".