83855695 has 32 divisors (see below), whose sum is σ = 126282240. Its totient is φ = 51930240.

The previous prime is 83855641. The next prime is 83855731. The reversal of 83855695 is 59655838.

It is a happy number.

It is not a de Polignac number, because 83855695 - 2¹⁹ = 83331407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65976 + ... + 67234.

It is an arithmetic number, because the mean of its divisors is an integer number (3946320).

Almost surely, 2^83855695 is an apocalyptic number.

83855695 is a deficient number, since it is larger than the sum of its proper divisors (42426545).

83855695 is a wasteful number, since it uses less digits than its factorization.

83855695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455.

The product of its digits is 1296000, while the sum is 49.

The square root of 83855695 is about 9157.2755227742. The cubic root of 83855695 is about 437.7009819430.

The spelling of 83855695 in words is "eighty-three million, eight hundred fifty-five thousand, six hundred ninety-five".