83880136170 has 128 divisors (see below), whose sum is σ = 226069332480. Its totient is φ = 22129873920.

The previous prime is 83880136117. The next prime is 83880136213. The reversal of 83880136170 is 7163108838.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19249632 + ... + 19253988.

It is an arithmetic number, because the mean of its divisors is an integer number (1766166660).

Almost surely, 2^83880136170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83880136170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113034666240).

83880136170 is an abundant number, since it is smaller than the sum of its proper divisors (142189196310).

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

83880136170 is a wasteful number, since it uses less digits than its factorization.

83880136170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117 (or 5111 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 83880136170 in words is "eighty-three billion, eight hundred eighty million, one hundred thirty-six thousand, one hundred seventy".