83788169 has 8 divisors (see below), whose sum is σ = 86375808. Its totient is φ = 81234160.

The previous prime is 83788151. The next prime is 83788181. The reversal of 83788169 is 96188738.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83788169 - 2²⁴ = 67010953 is a prime.

It is a super-2 number, since 2×83788169² = 14040914528745122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83788139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3302 + ... + 13359.

It is an arithmetic number, because the mean of its divisors is an integer number (10796976).

Almost surely, 2^83788169 is an apocalyptic number.

It is an amenable number.

83788169 is a deficient number, since it is larger than the sum of its proper divisors (2587639).

83788169 is a wasteful number, since it uses less digits than its factorization.

83788169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16815.

The product of its digits is 580608, while the sum is 50.

The square root of 83788169 is about 9153.5877665536. The cubic root of 83788169 is about 437.5834620633.

The spelling of 83788169 in words is "eighty-three million, seven hundred eighty-eight thousand, one hundred sixty-nine".