84034177 has 4 divisors (see below), whose sum is σ = 84062896. Its totient is φ = 84005460.

The previous prime is 84034163. The next prime is 84034187. The reversal of 84034177 is 77143048.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84034177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84034187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9399 + ... + 16012.

It is an arithmetic number, because the mean of its divisors is an integer number (21015724).

Almost surely, 2^84034177 is an apocalyptic number.

It is an amenable number.

84034177 is a deficient number, since it is larger than the sum of its proper divisors (28719).

84034177 is a wasteful number, since it uses less digits than its factorization.

84034177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28718.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 84034177 is about 9167.0157085062. The cubic root of 84034177 is about 438.0113022945.

The spelling of 84034177 in words is "eighty-four million, thirty-four thousand, one hundred seventy-seven".