83955173 has 4 divisors (see below), whose sum is σ = 83981580. Its totient is φ = 83928768.

The previous prime is 83955143. The next prime is 83955187. The reversal of 83955173 is 37155938.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37155938 = 2 ⋅18577969.

It can be written as a sum of positive squares in 2 ways, for example, as 2829124 + 81126049 = 1682^2 + 9007^2 .

It is a cyclic number.

It is not a de Polignac number, because 83955173 - 2⁸ = 83954917 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 83955173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83955103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7658 + ... + 15051.

It is an arithmetic number, because the mean of its divisors is an integer number (20995395).

Almost surely, 2^83955173 is an apocalyptic number.

It is an amenable number.

83955173 is a deficient number, since it is larger than the sum of its proper divisors (26407).

83955173 is a wasteful number, since it uses less digits than its factorization.

83955173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26406.

The product of its digits is 113400, while the sum is 41.

The square root of 83955173 is about 9162.7055502182. The cubic root of 83955173 is about 437.8739950851.

The spelling of 83955173 in words is "eighty-three million, nine hundred fifty-five thousand, one hundred seventy-three".