83955189 has 4 divisors (see below), whose sum is σ = 111940256. Its totient is φ = 55970124.

The previous prime is 83955187. The next prime is 83955191. The reversal of 83955189 is 98155938.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (83955187) and next prime (83955191).

It is not a de Polignac number, because 83955189 - 2¹ = 83955187 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83955187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13992529 + ... + 13992534.

It is an arithmetic number, because the mean of its divisors is an integer number (27985064).

Almost surely, 2^83955189 is an apocalyptic number.

It is an amenable number.

83955189 is a deficient number, since it is larger than the sum of its proper divisors (27985067).

83955189 is a wasteful number, since it uses less digits than its factorization.

83955189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27985066.

The product of its digits is 388800, while the sum is 48.

The square root of 83955189 is about 9162.7064233228. The cubic root of 83955189 is about 437.8740229015.

The spelling of 83955189 in words is "eighty-three million, nine hundred fifty-five thousand, one hundred eighty-nine".