82399678 has 8 divisors (see below), whose sum is σ = 123661440. Its totient is φ = 41179200.

The previous prime is 82399651. The next prime is 82399711. The reversal of 82399678 is 87699328.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4723 + ... + 13678.

It is an arithmetic number, because the mean of its divisors is an integer number (15457680).

Almost surely, 2^82399678 is an apocalyptic number.

82399678 is a deficient number, since it is larger than the sum of its proper divisors (41261762).

82399678 is a wasteful number, since it uses less digits than its factorization.

82399678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20642.

The product of its digits is 1306368, while the sum is 52.

The square root of 82399678 is about 9077.4268380417. The cubic root of 82399678 is about 435.1528559566.

The spelling of 82399678 in words is "eighty-two million, three hundred ninety-nine thousand, six hundred seventy-eight".