84170085132 has 48 divisors (see below), whose sum is σ = 225751018752. Its totient is φ = 23909582400.

The previous prime is 84170085119. The next prime is 84170085133. The reversal of 84170085132 is 23158007148.

It is a super-2 number, since 2×84170085132² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84170085133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2881494 + ... + 2910557.

It is an arithmetic number, because the mean of its divisors is an integer number (4703146224).

Almost surely, 2^84170085132 is an apocalyptic number.

It is an amenable number.

84170085132 is an abundant number, since it is smaller than the sum of its proper divisors (141580933620).

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

84170085132 is a wasteful number, since it uses less digits than its factorization.

84170085132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792238 (or 5792236 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 84170085132 in words is "eighty-four billion, one hundred seventy million, eighty-five thousand, one hundred thirty-two".