83159117 has 2 divisors, whose sum is σ = 83159118. Its totient is φ = 83159116.

The previous prime is 83159101. The next prime is 83159147. The reversal of 83159117 is 71195138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66357316 + 16801801 = 8146^2 + 4099^2 .

It is a cyclic number.

It is not a de Polignac number, because 83159117 - 2⁴ = 83159101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83159147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41579558 + 41579559.

It is an arithmetic number, because the mean of its divisors is an integer number (41579559).

Almost surely, 2^83159117 is an apocalyptic number.

It is an amenable number.

83159117 is a deficient number, since it is larger than the sum of its proper divisors (1).

83159117 is an equidigital number, since it uses as much as digits as its factorization.

83159117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 35.

The square root of 83159117 is about 9119.1620777350. The cubic root of 83159117 is about 436.4856360359.

The spelling of 83159117 in words is "eighty-three million, one hundred fifty-nine thousand, one hundred seventeen".