82163277 has 48 divisors (see below), whose sum is σ = 144668160. Its totient is φ = 43890336.

The previous prime is 82163269. The next prime is 82163309. The reversal of 82163277 is 77236128.

It is not a de Polignac number, because 82163277 - 2³ = 82163269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82163077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98938 + ... + 99764.

It is an arithmetic number, because the mean of its divisors is an integer number (3013920).

Almost surely, 2^82163277 is an apocalyptic number.

It is an amenable number.

82163277 is a deficient number, since it is larger than the sum of its proper divisors (62504883).

82163277 is a wasteful number, since it uses less digits than its factorization.

82163277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942 (or 939 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 82163277 is about 9064.3961188818. The cubic root of 82163277 is about 434.7363126443.

The spelling of 82163277 in words is "eighty-two million, one hundred sixty-three thousand, two hundred seventy-seven".