84117159 has 24 divisors (see below), whose sum is σ = 142093952. Its totient is φ = 46947600.

The previous prime is 84117157. The next prime is 84117181. The reversal of 84117159 is 95171148.

It is not a de Polignac number, because 84117159 - 2¹ = 84117157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84117151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12817 + ... + 18234.

Almost surely, 2^84117159 is an apocalyptic number.

84117159 is a deficient number, since it is larger than the sum of its proper divisors (57976793).

84117159 is a wasteful number, since it uses less digits than its factorization.

84117159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31107 (or 31104 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 84117159 is about 9171.5407102624. The cubic root of 84117159 is about 438.1554305439.

The spelling of 84117159 in words is "eighty-four million, one hundred seventeen thousand, one hundred fifty-nine".