82364215 has 16 divisors (see below), whose sum is σ = 101059200. Its totient is φ = 64426752.

The previous prime is 82364209. The next prime is 82364237. The reversal of 82364215 is 51246328.

It is a cyclic number.

It is not a de Polignac number, because 82364215 - 2³ = 82364207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42099 + ... + 44011.

It is an arithmetic number, because the mean of its divisors is an integer number (6316200).

Almost surely, 2^82364215 is an apocalyptic number.

82364215 is a deficient number, since it is larger than the sum of its proper divisors (18694985).

82364215 is a wasteful number, since it uses less digits than its factorization.

82364215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106.

The product of its digits is 11520, while the sum is 31.

The square root of 82364215 is about 9075.4732658964. The cubic root of 82364215 is about 435.0904202753.

The spelling of 82364215 in words is "eighty-two million, three hundred sixty-four thousand, two hundred fifteen".