82167147 has 6 divisors (see below), whose sum is σ = 118685892. Its totient is φ = 54778092.

The previous prime is 82167131. The next prime is 82167149. The reversal of 82167147 is 74176128.

It is not a de Polignac number, because 82167147 - 2⁴ = 82167131 is a prime.

It is a super-2 number, since 2×82167147² = 13502880092239218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82167149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4564833 + ... + 4564850.

It is an arithmetic number, because the mean of its divisors is an integer number (19780982).

Almost surely, 2^82167147 is an apocalyptic number.

82167147 is a deficient number, since it is larger than the sum of its proper divisors (36518745).

82167147 is a wasteful number, since it uses less digits than its factorization.

82167147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129689 (or 9129686 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 82167147 is about 9064.6095889454. The cubic root of 82167147 is about 434.7431380906.

The spelling of 82167147 in words is "eighty-two million, one hundred sixty-seven thousand, one hundred forty-seven".