83208069 has 24 divisors (see below), whose sum is σ = 138070400. Its totient is φ = 47301408.

The previous prime is 83208067. The next prime is 83208071. The reversal of 83208069 is 96080238.

It is an interprime number because it is at equal distance from previous prime (83208067) and next prime (83208071).

It is not a de Polignac number, because 83208069 - 2¹ = 83208067 is a prime.

It is a super-2 number, since 2×83208069² = 13847165493417522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83208067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9219 + ... + 15855.

Almost surely, 2^83208069 is an apocalyptic number.

It is an amenable number.

83208069 is a deficient number, since it is larger than the sum of its proper divisors (54862331).

83208069 is a wasteful number, since it uses less digits than its factorization.

83208069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849 (or 6846 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 83208069 is about 9121.8457013918. The cubic root of 83208069 is about 436.5712656675.

The spelling of 83208069 in words is "eighty-three million, two hundred eight thousand, sixty-nine".