83190647 has 8 divisors (see below), whose sum is σ = 86691600. Its totient is φ = 79731904.

The previous prime is 83190619. The next prime is 83190691. The reversal of 83190647 is 74609138.

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

It is not a de Polignac number, because 83190647 - 2¹⁴ = 83174263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83190647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83190847) 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 in 7 ways as a sum of consecutive naturals, for example, 6497 + ... + 14442.

It is an arithmetic number, because the mean of its divisors is an integer number (10836450).

Almost surely, 2^83190647 is an apocalyptic number.

83190647 is a deficient number, since it is larger than the sum of its proper divisors (3500953).

83190647 is a wasteful number, since it uses less digits than its factorization.

83190647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21105.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 83190647 is about 9120.8906911551. The cubic root of 83190647 is about 436.5407939614.

The spelling of 83190647 in words is "eighty-three million, one hundred ninety thousand, six hundred forty-seven".