83047480 has 64 divisors (see below), whose sum is σ = 205286400. Its totient is φ = 30096000.

The previous prime is 83047421. The next prime is 83047483. The reversal of 83047480 is 8474038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83047483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15105 + ... + 19855.

It is an arithmetic number, because the mean of its divisors is an integer number (3207600).

Almost surely, 2^83047480 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 83047480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102643200).

83047480 is an abundant number, since it is smaller than the sum of its proper divisors (122238920).

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

83047480 is a wasteful number, since it uses less digits than its factorization.

83047480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804 (or 4800 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 83047480 is about 9113.0390101217. The cubic root of 83047480 is about 436.2902284449.

The spelling of 83047480 in words is "eighty-three million, forty-seven thousand, four hundred eighty".