82799728 has 20 divisors (see below), whose sum is σ = 175008888. Its totient is φ = 37636160.

The previous prime is 82799723. The next prime is 82799737.

82799728 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82799723) 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, 235051 + ... + 235402.

Almost surely, 2^82799728 is an apocalyptic number.

82799728 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

82799728 is an abundant number, since it is smaller than the sum of its proper divisors (92209160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82799728 is a wasteful number, since it uses less digits than its factorization.

82799728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470472 (or 470466 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The square root of 82799728 is about 9099.4355868922. The cubic root of 82799728 is about 435.8559409598.

The spelling of 82799728 in words is "eighty-two million, seven hundred ninety-nine thousand, seven hundred twenty-eight".