82427187 has 8 divisors (see below), whose sum is σ = 115687360. Its totient is φ = 52059240.

The previous prime is 82427183. The next prime is 82427197. The reversal of 82427187 is 78172428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82427187 - 2² = 82427183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82427183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722989 + ... + 723102.

It is an arithmetic number, because the mean of its divisors is an integer number (14460920).

Almost surely, 2^82427187 is an apocalyptic number.

82427187 is a deficient number, since it is larger than the sum of its proper divisors (33260173).

82427187 is a wasteful number, since it uses less digits than its factorization.

82427187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446113.

The product of its digits is 50176, while the sum is 39.

The square root of 82427187 is about 9078.9419537741. The cubic root of 82427187 is about 435.2012755958.

The spelling of 82427187 in words is "eighty-two million, four hundred twenty-seven thousand, one hundred eighty-seven".