83320855 has 8 divisors (see below), whose sum is σ = 102687552. Its totient is φ = 64855008.

The previous prime is 83320849. The next prime is 83320879. The reversal of 83320855 is 55802338.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83320855 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83320855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225007 + ... + 225376.

It is an arithmetic number, because the mean of its divisors is an integer number (12835944).

Almost surely, 2^83320855 is an apocalyptic number.

83320855 is a deficient number, since it is larger than the sum of its proper divisors (19366697).

83320855 is a wasteful number, since it uses less digits than its factorization.

83320855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450425.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 83320855 is about 9128.0257997006. The cubic root of 83320855 is about 436.7684296234.

The spelling of 83320855 in words is "eighty-three million, three hundred twenty thousand, eight hundred fifty-five".