83856608 has 24 divisors (see below), whose sum is σ = 180101880. Its totient is φ = 38116480.

The previous prime is 83856607. The next prime is 83856613. The reversal of 83856608 is 80665838.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83856607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118763 + ... + 119466.

It is an arithmetic number, because the mean of its divisors is an integer number (7504245).

Almost surely, 2^83856608 is an apocalyptic number.

83856608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

83856608 is an abundant number, since it is smaller than the sum of its proper divisors (96245272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83856608 is a wasteful number, since it uses less digits than its factorization.

83856608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238250 (or 238242 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 83856608 is about 9157.3253737104. The cubic root of 83856608 is about 437.7025704638.

The spelling of 83856608 in words is "eighty-three million, eight hundred fifty-six thousand, six hundred eight".