82340287 has 8 divisors (see below), whose sum is σ = 84528576. Its totient is φ = 80170272.

The previous prime is 82340273. The next prime is 82340311. The reversal of 82340287 is 78204328.

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

It is a cyclic number.

It is not a de Polignac number, because 82340287 - 2²³ = 73951679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82340257) 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, 4813 + ... + 13705.

It is an arithmetic number, because the mean of its divisors is an integer number (10566072).

Almost surely, 2^82340287 is an apocalyptic number.

82340287 is a deficient number, since it is larger than the sum of its proper divisors (2188289).

82340287 is a wasteful number, since it uses less digits than its factorization.

82340287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9137.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 82340287 is about 9074.1548917792. The cubic root of 82340287 is about 435.0482828337.

The spelling of 82340287 in words is "eighty-two million, three hundred forty thousand, two hundred eighty-seven".