82868888 has 8 divisors (see below), whose sum is σ = 155379180. Its totient is φ = 41434440.

The previous prime is 82868887. The next prime is 82868893. The reversal of 82868888 is 88886828.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82868887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5179298 + ... + 5179313.

Almost surely, 2^82868888 is an apocalyptic number.

It is an amenable number.

82868888 is a deficient number, since it is larger than the sum of its proper divisors (72510292).

82868888 is a wasteful number, since it uses less digits than its factorization.

82868888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10358617 (or 10358613 counting only the distinct ones).

The product of its digits is 3145728, while the sum is 56.

The square root of 82868888 is about 9103.2350293728. The cubic root of 82868888 is about 435.9772594261.

The spelling of 82868888 in words is "eighty-two million, eight hundred sixty-eight thousand, eight hundred eighty-eight".