82277982 has 24 divisors (see below), whose sum is σ = 178729200. Its totient is φ = 27355200.

The previous prime is 82277941. The next prime is 82277989. The reversal of 82277982 is 28977228.

It is a happy number.

It is a super-4 number, since 4×82277982⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82277989) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1519 + ... + 12917.

It is an arithmetic number, because the mean of its divisors is an integer number (7447050).

Almost surely, 2^82277982 is an apocalyptic number.

82277982 is an abundant number, since it is smaller than the sum of its proper divisors (96451218).

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

82277982 is a wasteful number, since it uses less digits than its factorization.

82277982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11808 (or 11805 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 82277982 is about 9070.7211400197. The cubic root of 82277982 is about 434.9385248045.

The spelling of 82277982 in words is "eighty-two million, two hundred seventy-seven thousand, nine hundred eighty-two".