82255768 has 32 divisors (see below), whose sum is σ = 176866560. Its totient is φ = 35131680.

The previous prime is 82255763. The next prime is 82255777. The reversal of 82255768 is 86755228.

It is a super-2 number, since 2×82255768² = 13532022738539648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82255763) 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, 15055 + ... + 19777.

It is an arithmetic number, because the mean of its divisors is an integer number (5527080).

Almost surely, 2^82255768 is an apocalyptic number.

It is an amenable number.

82255768 is an abundant number, since it is smaller than the sum of its proper divisors (94610792).

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

82255768 is a wasteful number, since it uses less digits than its factorization.

82255768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047 (or 5043 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 82255768 is about 9069.4965681674. The cubic root of 82255768 is about 434.8993786733.

The spelling of 82255768 in words is "eighty-two million, two hundred fifty-five thousand, seven hundred sixty-eight".