82175849 has 32 divisors (see below), whose sum is σ = 102574080. Its totient is φ = 64310400.

The previous prime is 82175843. The next prime is 82175867. The reversal of 82175849 is 94857128.

It is not a de Polignac number, because 82175849 - 2¹⁶ = 82110313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82175843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389354 + ... + 389564.

It is an arithmetic number, because the mean of its divisors is an integer number (3205440).

Almost surely, 2^82175849 is an apocalyptic number.

It is an amenable number.

82175849 is a deficient number, since it is larger than the sum of its proper divisors (20398231).

82175849 is a wasteful number, since it uses less digits than its factorization.

82175849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its digits is 161280, while the sum is 44.

The square root of 82175849 is about 9065.0895748470. The cubic root of 82175849 is about 434.7584848620.

The spelling of 82175849 in words is "eighty-two million, one hundred seventy-five thousand, eight hundred forty-nine".