83475655 has 4 divisors (see below), whose sum is σ = 100170792. Its totient is φ = 66780520.

The previous prime is 83475647. The next prime is 83475677. The reversal of 83475655 is 55657438.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 83475655 - 2³ = 83475647 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 8347561 + ... + 8347570.

It is an arithmetic number, because the mean of its divisors is an integer number (25042698).

Almost surely, 2^83475655 is an apocalyptic number.

83475655 is a deficient number, since it is larger than the sum of its proper divisors (16695137).

83475655 is a wasteful number, since it uses less digits than its factorization.

83475655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16695136.

The product of its digits is 504000, while the sum is 43.

The square root of 83475655 is about 9136.5012450062. The cubic root of 83475655 is about 437.0387497996.

The spelling of 83475655 in words is "eighty-three million, four hundred seventy-five thousand, six hundred fifty-five".