82286387 has 4 divisors (see below), whose sum is σ = 85864080. Its totient is φ = 78708696.

The previous prime is 82286383. The next prime is 82286437. The reversal of 82286387 is 78368228.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82286387 - 2² = 82286383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82286381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788812 + ... + 1788857.

It is an arithmetic number, because the mean of its divisors is an integer number (21466020).

Almost surely, 2^82286387 is an apocalyptic number.

82286387 is a deficient number, since it is larger than the sum of its proper divisors (3577693).

82286387 is a wasteful number, since it uses less digits than its factorization.

82286387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577692.

The product of its digits is 258048, while the sum is 44.

The square root of 82286387 is about 9071.1844320353. The cubic root of 82286387 is about 434.9533344929.

The spelling of 82286387 in words is "eighty-two million, two hundred eighty-six thousand, three hundred eighty-seven".