83881350 has 144 divisors (see below), whose sum is σ = 266173440. Its totient is φ = 18532800.

The previous prime is 83881339. The next prime is 83881363. The reversal of 83881350 is 5318838.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 97221 + ... + 98079.

Almost surely, 2^83881350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83881350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133086720).

83881350 is an abundant number, since it is smaller than the sum of its proper divisors (182292090).

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

83881350 is a wasteful number, since it uses less digits than its factorization.

83881350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 83881350 is about 9158.6762143882. The cubic root of 83881350 is about 437.7456144661.

The spelling of 83881350 in words is "eighty-three million, eight hundred eighty-one thousand, three hundred fifty".