8316259997 has 2 divisors, whose sum is σ = 8316259998. Its totient is φ = 8316259996.

The previous prime is 8316259993. The next prime is 8316260009. The reversal of 8316259997 is 7999526138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4611224836 + 3705035161 = 67906^2 + 60869^2 .

It is a cyclic number.

It is not a de Polignac number, because 8316259997 - 2² = 8316259993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8316259993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4158129998 + 4158129999.

It is an arithmetic number, because the mean of its divisors is an integer number (4158129999).

Almost surely, 2^8316259997 is an apocalyptic number.

It is an amenable number.

8316259997 is a deficient number, since it is larger than the sum of its proper divisors (1).

8316259997 is an equidigital number, since it uses as much as digits as its factorization.

8316259997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 59.

The square root of 8316259997 is about 91193.5304558388. The cubic root of 8316259997 is about 2026.0151388000.

The spelling of 8316259997 in words is "eight billion, three hundred sixteen million, two hundred fifty-nine thousand, nine hundred ninety-seven".