82856835 has 24 divisors (see below), whose sum is σ = 144185184. Its totient is φ = 44016000.

The previous prime is 82856819. The next prime is 82856843. The reversal of 82856835 is 53865828.

It is a happy number.

82856835 is a `hidden beast` number, since 82 + 8 + 568 + 3 + 5 = 666.

It is not a de Polignac number, because 82856835 - 2⁴ = 82856819 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8335 + ... + 15335.

It is an arithmetic number, because the mean of its divisors is an integer number (6007716).

Almost surely, 2^82856835 is an apocalyptic number.

82856835 is a deficient number, since it is larger than the sum of its proper divisors (61328349).

82856835 is a wasteful number, since it uses less digits than its factorization.

82856835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275 (or 7272 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 82856835 is about 9102.5729878974. The cubic root of 82856835 is about 435.9561212611.

The spelling of 82856835 in words is "eighty-two million, eight hundred fifty-six thousand, eight hundred thirty-five".