83835855 has 24 divisors (see below), whose sum is σ = 145569840. Its totient is φ = 44634240.

The previous prime is 83835841. The next prime is 83835859. The reversal of 83835855 is 55853838.

It is not a de Polignac number, because 83835855 - 2¹⁰ = 83834831 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 83835855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83835859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31995 + ... + 34515.

It is an arithmetic number, because the mean of its divisors is an integer number (6065410).

Almost surely, 2^83835855 is an apocalyptic number.

83835855 is a deficient number, since it is larger than the sum of its proper divisors (61733985).

83835855 is a wasteful number, since it uses less digits than its factorization.

83835855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271 (or 3268 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 83835855 is about 9156.1921670529. The cubic root of 83835855 is about 437.6664596507. Note that the first 3 decimals are identical.

The spelling of 83835855 in words is "eighty-three million, eight hundred thirty-five thousand, eight hundred fifty-five".