83478704 has 80 divisors (see below), whose sum is σ = 186818400. Its totient is φ = 35868672.

The previous prime is 83478701. The next prime is 83478713. The reversal of 83478704 is 40787438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83478701) 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, 149594 + ... + 150150.

It is an arithmetic number, because the mean of its divisors is an integer number (2335230).

Almost surely, 2^83478704 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 83478704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93409200).

83478704 is an abundant number, since it is smaller than the sum of its proper divisors (103339696).

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

83478704 is a wasteful number, since it uses less digits than its factorization.

83478704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 83478704 is about 9136.6681016659. The cubic root of 83478704 is about 437.0440707718.

The spelling of 83478704 in words is "eighty-three million, four hundred seventy-eight thousand, seven hundred four".