83870376 has 64 divisors (see below), whose sum is σ = 218265600. Its totient is φ = 26827200.

The previous prime is 83870359. The next prime is 83870387. The reversal of 83870376 is 67307838.

It is a happy number.

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, 103011 + ... + 103821.

It is an arithmetic number, because the mean of its divisors is an integer number (3410400).

Almost surely, 2^83870376 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 83870376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109132800).

83870376 is an abundant number, since it is smaller than the sum of its proper divisors (134395224).

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

83870376 is a wasteful number, since it uses less digits than its factorization.

83870376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 83870376 is about 9158.0770907434. The cubic root of 83870376 is about 437.7265238900.

The spelling of 83870376 in words is "eighty-three million, eight hundred seventy thousand, three hundred seventy-six".