83820826 has 8 divisors (see below), whose sum is σ = 125790624. Its totient is φ = 41890620.

The previous prime is 83820811. The next prime is 83820827. The reversal of 83820826 is 62802838.

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

It is not an unprimeable number, because it can be changed into a prime (83820827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3870 + ... + 13513.

It is an arithmetic number, because the mean of its divisors is an integer number (15723828).

Almost surely, 2^83820826 is an apocalyptic number.

83820826 is a deficient number, since it is larger than the sum of its proper divisors (41969798).

83820826 is a wasteful number, since it uses less digits than its factorization.

83820826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19796.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 83820826 is about 9155.3714288389. The cubic root of 83820826 is about 437.6403050406.

The spelling of 83820826 in words is "eighty-three million, eight hundred twenty thousand, eight hundred twenty-six".