83849155 has 16 divisors (see below), whose sum is σ = 108972864. Its totient is φ = 61568640.

The previous prime is 83849137. The next prime is 83849167. The reversal of 83849155 is 55194838.

It is not a de Polignac number, because 83849155 - 2⁵ = 83849123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8202 + ... + 15328.

It is an arithmetic number, because the mean of its divisors is an integer number (6810804).

Almost surely, 2^83849155 is an apocalyptic number.

83849155 is a deficient number, since it is larger than the sum of its proper divisors (25123709).

83849155 is a wasteful number, since it uses less digits than its factorization.

83849155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326.

The product of its digits is 172800, while the sum is 43.

The square root of 83849155 is about 9156.9184227009. The cubic root of 83849155 is about 437.6896027165.

The spelling of 83849155 in words is "eighty-three million, eight hundred forty-nine thousand, one hundred fifty-five".