84117150 has 96 divisors (see below), whose sum is σ = 249671520. Its totient is φ = 20701440.

The previous prime is 84117133. The next prime is 84117151. The reversal of 84117150 is 5171148.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 47 ways as a sum of consecutive naturals, for example, 15154 + ... + 19946.

It is an arithmetic number, because the mean of its divisors is an integer number (2600745).

Almost surely, 2^84117150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84117150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124835760).

84117150 is an abundant number, since it is smaller than the sum of its proper divisors (165554370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84117150 is a wasteful number, since it uses less digits than its factorization.

84117150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4827 (or 4816 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 84117150 is about 9171.5402196142. The cubic root of 84117150 is about 438.1554149173.

Adding to 84117150 its reverse (5171148), we get a palindrome (89288298).

The spelling of 84117150 in words is "eighty-four million, one hundred seventeen thousand, one hundred fifty".