83317959 has 6 divisors (see below), whose sum is σ = 120348176. Its totient is φ = 55545300.

The previous prime is 83317943. The next prime is 83317967. The reversal of 83317959 is 95971338.

It is a happy number.

It is not a de Polignac number, because 83317959 - 2⁴ = 83317943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83317909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4628767 + ... + 4628784.

Almost surely, 2^83317959 is an apocalyptic number.

83317959 is a deficient number, since it is larger than the sum of its proper divisors (37030217).

83317959 is a wasteful number, since it uses less digits than its factorization.

83317959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257557 (or 9257554 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 83317959 is about 9127.8671659923. The cubic root of 83317959 is about 436.7633692816.

It can be divided in two parts, 8331 and 7959, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 83317959 in words is "eighty-three million, three hundred seventeen thousand, nine hundred fifty-nine".