82828843 has 4 divisors (see below), whose sum is σ = 85685040. Its totient is φ = 79972648.

The previous prime is 82828799. The next prime is 82828853. The reversal of 82828843 is 34882828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82828843 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 82828843.

It is not an unprimeable number, because it can be changed into a prime (82828853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428055 + ... + 1428112.

It is an arithmetic number, because the mean of its divisors is an integer number (21421260).

Almost surely, 2^82828843 is an apocalyptic number.

82828843 is a deficient number, since it is larger than the sum of its proper divisors (2856197).

82828843 is a wasteful number, since it uses less digits than its factorization.

82828843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856196.

The product of its digits is 196608, while the sum is 43.

The square root of 82828843 is about 9101.0352707810. The cubic root of 82828843 is about 435.9070218788.

The spelling of 82828843 in words is "eighty-two million, eight hundred twenty-eight thousand, eight hundred forty-three".