82162788 has 12 divisors (see below), whose sum is σ = 191713200. Its totient is φ = 27387592.

The previous prime is 82162763. The next prime is 82162841. The reversal of 82162788 is 88726128.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 3423438 + ... + 3423461.

It is an arithmetic number, because the mean of its divisors is an integer number (15976100).

Almost surely, 2^82162788 is an apocalyptic number.

It is an amenable number.

82162788 is an abundant number, since it is smaller than the sum of its proper divisors (109550412).

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

82162788 is a wasteful number, since it uses less digits than its factorization.

82162788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6846906 (or 6846904 counting only the distinct ones).

The product of its digits is 86016, while the sum is 42.

The square root of 82162788 is about 9064.3691451750. The cubic root of 82162788 is about 434.7354501889.

The spelling of 82162788 in words is "eighty-two million, one hundred sixty-two thousand, seven hundred eighty-eight".