82187193 has 24 divisors (see below), whose sum is σ = 120972544. Its totient is φ = 49595040.

The previous prime is 82187167. The next prime is 82187201. The reversal of 82187193 is 39178128.

It is not a de Polignac number, because 82187193 - 2¹³ = 82179001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82187113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135096 + ... + 135702.

Almost surely, 2^82187193 is an apocalyptic number.

It is an amenable number.

82187193 is a deficient number, since it is larger than the sum of its proper divisors (38785351).

82187193 is a wasteful number, since it uses less digits than its factorization.

82187193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 994 counting only the distinct ones).

The product of its digits is 24192, while the sum is 39.

The square root of 82187193 is about 9065.7152503264. The cubic root of 82187193 is about 434.7784894147.

The spelling of 82187193 in words is "eighty-two million, one hundred eighty-seven thousand, one hundred ninety-three".