116215597 has 2 divisors, whose sum is σ = 116215598. Its totient is φ = 116215596.

The previous prime is 116215531. The next prime is 116215637. The reversal of 116215597 is 795512611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80622441 + 35593156 = 8979^2 + 5966^2 .

It is a cyclic number.

It is not a de Polignac number, because 116215597 - 2¹⁹ = 115691309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116210597) 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, 58107798 + 58107799.

It is an arithmetic number, because the mean of its divisors is an integer number (58107799).

Almost surely, 2^116215597 is an apocalyptic number.

It is an amenable number.

116215597 is a deficient number, since it is larger than the sum of its proper divisors (1).

116215597 is an equidigital number, since it uses as much as digits as its factorization.

116215597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 37.

The square root of 116215597 is about 10780.3338074477. Note that the first 3 decimals coincide. The cubic root of 116215597 is about 488.0018546131.

The spelling of 116215597 in words is "one hundred sixteen million, two hundred fifteen thousand, five hundred ninety-seven".