82393785 has 48 divisors (see below), whose sum is σ = 155563200. Its totient is φ = 40182912.

The previous prime is 82393741. The next prime is 82393789. The reversal of 82393785 is 58739328.

It is not a de Polignac number, because 82393785 - 2⁷ = 82393657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 82393785.

It is not an unprimeable number, because it can be changed into a prime (82393789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23134 + ... + 26456.

It is an arithmetic number, because the mean of its divisors is an integer number (3240900).

Almost surely, 2^82393785 is an apocalyptic number.

It is an amenable number.

82393785 is a deficient number, since it is larger than the sum of its proper divisors (73169415).

82393785 is a wasteful number, since it uses less digits than its factorization.

82393785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382 (or 3379 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 82393785 is about 9077.1022358460. The cubic root of 82393785 is about 435.1424820613.

The spelling of 82393785 in words is "eighty-two million, three hundred ninety-three thousand, seven hundred eighty-five".