82425886 has 4 divisors (see below), whose sum is σ = 123638832. Its totient is φ = 41212942.

The previous prime is 82425851. The next prime is 82425887. The reversal of 82425886 is 68852428.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×82425886³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82425887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20606470 + ... + 20606473.

It is an arithmetic number, because the mean of its divisors is an integer number (30909708).

Almost surely, 2^82425886 is an apocalyptic number.

82425886 is a deficient number, since it is larger than the sum of its proper divisors (41212946).

82425886 is a wasteful number, since it uses less digits than its factorization.

82425886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41212945.

The product of its digits is 245760, while the sum is 43.

The square root of 82425886 is about 9078.8703041733. The cubic root of 82425886 is about 435.1989858989.

The spelling of 82425886 in words is "eighty-two million, four hundred twenty-five thousand, eight hundred eighty-six".