78583284 has 96 divisors (see below), whose sum is σ = 222436480. Its totient is φ = 24144480.

The previous prime is 78583279. The next prime is 78583291. The reversal of 78583284 is 48238587.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113379 + ... + 114069.

Almost surely, 2^78583284 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 78583284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111218240).

78583284 is an abundant number, since it is smaller than the sum of its proper divisors (143853196).

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

78583284 is a wasteful number, since it uses less digits than its factorization.

78583284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 709 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 78583284 is about 8864.7213154165. The cubic root of 78583284 is about 428.3282557633.

The spelling of 78583284 in words is "seventy-eight million, five hundred eighty-three thousand, two hundred eighty-four".