82077882 has 16 divisors (see below), whose sum is σ = 165008640. Its totient is φ = 27217152.

The previous prime is 82077871. The next prime is 82077901. The reversal of 82077882 is 28877028.

It is an unprimeable number.

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, 34282 + ... + 36597.

It is an arithmetic number, because the mean of its divisors is an integer number (10313040).

Almost surely, 2^82077882 is an apocalyptic number.

82077882 is an abundant number, since it is smaller than the sum of its proper divisors (82930758).

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

82077882 is a wasteful number, since it uses less digits than its factorization.

82077882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71077.

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 82077882 is about 9059.6844315903. The cubic root of 82077882 is about 434.5856485126.

The spelling of 82077882 in words is "eighty-two million, seventy-seven thousand, eight hundred eighty-two".