83471280 has 160 divisors (see below), whose sum is σ = 273196800. Its totient is φ = 21052416.

The previous prime is 83471257. The next prime is 83471281. The reversal of 83471280 is 8217438.

It is not an unprimeable number, because it can be changed into a prime (83471281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466231 + ... + 466409.

It is an arithmetic number, because the mean of its divisors is an integer number (1707480).

Almost surely, 2^83471280 is an apocalyptic number.

83471280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83471280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136598400).

83471280 is an abundant number, since it is smaller than the sum of its proper divisors (189725520).

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

83471280 is a wasteful number, since it uses less digits than its factorization.

83471280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 83471280 is about 9136.2618176145. The cubic root of 83471280 is about 437.0311145278.

The spelling of 83471280 in words is "eighty-three million, four hundred seventy-one thousand, two hundred eighty".