83500860 has 96 divisors (see below), whose sum is σ = 248592960. Its totient is φ = 20901888.

The previous prime is 83500843. The next prime is 83500903. The reversal of 83500860 is 6800538.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63732 + ... + 65028.

It is an arithmetic number, because the mean of its divisors is an integer number (2589510).

Almost surely, 2^83500860 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 83500860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124296480).

83500860 is an abundant number, since it is smaller than the sum of its proper divisors (165092100).

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

83500860 is a wasteful number, since it uses less digits than its factorization.

83500860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 83500860 is about 9137.8804982337. The cubic root of 83500860 is about 437.0827324960.

The spelling of 83500860 in words is "eighty-three million, five hundred thousand, eight hundred sixty".