82899999 has 24 divisors (see below), whose sum is σ = 147379232. Its totient is φ = 43727040.

The previous prime is 82899997. The next prime is 82900019. The reversal of 82899999 is 99999828.

It is not a de Polignac number, because 82899999 - 2¹ = 82899997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

82899999 is a modest number, since divided by 9999 gives 8289 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82899997) 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, 49792 + ... + 51429.

Almost surely, 2^82899999 is an apocalyptic number.

82899999 is a deficient number, since it is larger than the sum of its proper divisors (64479233).

82899999 is a wasteful number, since it uses less digits than its factorization.

82899999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101247 (or 101244 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 63.

The square root of 82899999 is about 9104.9436571568. The cubic root of 82899999 is about 436.0318114292.

The spelling of 82899999 in words is "eighty-two million, eight hundred ninety-nine thousand, nine hundred ninety-nine".