83771016 has 64 divisors (see below), whose sum is σ = 241764480. Its totient is φ = 23692800.

The previous prime is 83771011. The next prime is 83771029. The reversal of 83771016 is 61017738.

It is not an unprimeable number, because it can be changed into a prime (83771011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14500 + ... + 19436.

It is an arithmetic number, because the mean of its divisors is an integer number (3777570).

Almost surely, 2^83771016 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 83771016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120882240).

83771016 is an abundant number, since it is smaller than the sum of its proper divisors (157993464).

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

83771016 is a wasteful number, since it uses less digits than its factorization.

83771016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054 (or 5050 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 83771016 is about 9152.6507635766. The cubic root of 83771016 is about 437.5535995283.

The spelling of 83771016 in words is "eighty-three million, seven hundred seventy-one thousand, sixteen".