78973284 has 96 divisors (see below), whose sum is σ = 207458944. Its totient is φ = 23224320.

The previous prime is 78973277. The next prime is 78973303. The reversal of 78973284 is 48237987.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409092 + ... + 409284.

Almost surely, 2^78973284 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 78973284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103729472).

78973284 is an abundant number, since it is smaller than the sum of its proper divisors (128485660).

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

78973284 is a wasteful number, since it uses less digits than its factorization.

78973284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The square root of 78973284 is about 8886.6913978150. The cubic root of 78973284 is about 429.0356684336.

The spelling of 78973284 in words is "seventy-eight million, nine hundred seventy-three thousand, two hundred eighty-four".