82189359 has 24 divisors (see below), whose sum is σ = 136480032. Its totient is φ = 46687680.

The previous prime is 82189357. The next prime is 82189381. The reversal of 82189359 is 95398128.

It is a happy number.

It is not a de Polignac number, because 82189359 - 2¹ = 82189357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82189357) 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, 7129 + ... + 14669.

It is an arithmetic number, because the mean of its divisors is an integer number (5686668).

Almost surely, 2^82189359 is an apocalyptic number.

82189359 is a deficient number, since it is larger than the sum of its proper divisors (54290673).

82189359 is a wasteful number, since it uses less digits than its factorization.

82189359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727 (or 7724 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 82189359 is about 9065.8347106044. The cubic root of 82189359 is about 434.7823088336.

The spelling of 82189359 in words is "eighty-two million, one hundred eighty-nine thousand, three hundred fifty-nine".