82868407 has 8 divisors (see below), whose sum is σ = 83483136. Its totient is φ = 82256472.

The previous prime is 82868381. The next prime is 82868413. The reversal of 82868407 is 70486828.

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

It is a cyclic number.

It is not a de Polignac number, because 82868407 - 2²³ = 74479799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82868417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127758 + ... + 128404.

It is an arithmetic number, because the mean of its divisors is an integer number (10435392).

Almost surely, 2^82868407 is an apocalyptic number.

82868407 is a deficient number, since it is larger than the sum of its proper divisors (614729).

82868407 is a wasteful number, since it uses less digits than its factorization.

82868407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 82868407 is about 9103.2086101550. The cubic root of 82868407 is about 435.9764159030.

The spelling of 82868407 in words is "eighty-two million, eight hundred sixty-eight thousand, four hundred seven".