82858047 has 8 divisors (see below), whose sum is σ = 110647680. Its totient is φ = 55153560.

The previous prime is 82858043. The next prime is 82858049. The reversal of 82858047 is 74085828.

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

It is not a de Polignac number, because 82858047 - 2² = 82858043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82858043) 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 in 7 ways as a sum of consecutive naturals, for example, 18979 + ... + 22932.

It is an arithmetic number, because the mean of its divisors is an integer number (13830960).

Almost surely, 2^82858047 is an apocalyptic number.

82858047 is a deficient number, since it is larger than the sum of its proper divisors (27789633).

82858047 is a wasteful number, since it uses less digits than its factorization.

82858047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42573.

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 82858047 is about 9102.6395622369. The cubic root of 82858047 is about 435.9582469205.

The spelling of 82858047 in words is "eighty-two million, eight hundred fifty-eight thousand, forty-seven".