82427860 has 96 divisors (see below), whose sum is σ = 193052160. Its totient is φ = 29449728.

The previous prime is 82427857. The next prime is 82427887. The reversal of 82427860 is 6872428.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493497 + ... + 493663.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^82427860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82427860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96526080).

82427860 is an abundant number, since it is smaller than the sum of its proper divisors (110624300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82427860 is a wasteful number, since it uses less digits than its factorization.

82427860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 82427860 is about 9078.9790174887. The cubic root of 82427860 is about 435.2024600338.

The spelling of 82427860 in words is "eighty-two million, four hundred twenty-seven thousand, eight hundred sixty".