83871450 has 192 divisors, whose sum is σ = 256233600. Its totient is φ = 20295360.

The previous prime is 83871443. The next prime is 83871481. The reversal of 83871450 is 5417838.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1421521 + ... + 1421579.

It is an arithmetic number, because the mean of its divisors is an integer number (1334550).

Almost surely, 2^83871450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83871450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128116800).

83871450 is an abundant number, since it is smaller than the sum of its proper divisors (172362150).

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

83871450 is a wasteful number, since it uses less digits than its factorization.

83871450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 83871450 is about 9158.1357273192. The cubic root of 83871450 is about 437.7283923141.

The spelling of 83871450 in words is "eighty-three million, eight hundred seventy-one thousand, four hundred fifty".