82764785 has 8 divisors (see below), whose sum is σ = 99696960. Its totient is φ = 65959024.

The previous prime is 82764751. The next prime is 82764793. The reversal of 82764785 is 58746728.

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 82764785 - 2¹⁰ = 82763761 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30155 + ... + 32784.

It is an arithmetic number, because the mean of its divisors is an integer number (12462120).

Almost surely, 2^82764785 is an apocalyptic number.

It is an amenable number.

82764785 is a deficient number, since it is larger than the sum of its proper divisors (16932175).

82764785 is a wasteful number, since it uses less digits than its factorization.

82764785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63207.

The product of its digits is 752640, while the sum is 47.

The square root of 82764785 is about 9097.5153201300. The cubic root of 82764785 is about 435.7946192724.

The spelling of 82764785 in words is "eighty-two million, seven hundred sixty-four thousand, seven hundred eighty-five".