82369985 has 8 divisors (see below), whose sum is σ = 98896896. Its totient is φ = 65860720.

The previous prime is 82369967. The next prime is 82369993. The reversal of 82369985 is 58996328.

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

It is not a de Polignac number, because 82369985 - 2¹⁶ = 82304449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10370 + ... + 16500.

It is an arithmetic number, because the mean of its divisors is an integer number (12362112).

Almost surely, 2^82369985 is an apocalyptic number.

It is an amenable number.

82369985 is a deficient number, since it is larger than the sum of its proper divisors (16526911).

82369985 is a wasteful number, since it uses less digits than its factorization.

82369985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8823.

The product of its digits is 933120, while the sum is 50.

The square root of 82369985 is about 9075.7911500871. The cubic root of 82369985 is about 435.1005800804.

The spelling of 82369985 in words is "eighty-two million, three hundred sixty-nine thousand, nine hundred eighty-five".