83750067140 has 48 divisors (see below), whose sum is σ = 180285956928. Its totient is φ = 32662648704.

The previous prime is 83750067133. The next prime is 83750067151. The reversal of 83750067140 is 4176005738.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397694 + ... + 570666.

It is an arithmetic number, because the mean of its divisors is an integer number (3755957436).

Almost surely, 2^83750067140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83750067140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90142978464).

83750067140 is an abundant number, since it is smaller than the sum of its proper divisors (96535889788).

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

83750067140 is a wasteful number, since it uses less digits than its factorization.

83750067140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173588 (or 173586 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 83750067140 in words is "eighty-three billion, seven hundred fifty million, sixty-seven thousand, one hundred forty".