78784112 has 20 divisors (see below), whose sum is σ = 166521336. Its totient is φ = 35810880.

The previous prime is 78784081. The next prime is 78784163. The reversal of 78784112 is 21148787.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 223643 + ... + 223994.

Almost surely, 2^78784112 is an apocalyptic number.

It is an amenable number.

78784112 is an abundant number, since it is smaller than the sum of its proper divisors (87737224).

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

78784112 is a wasteful number, since it uses less digits than its factorization.

78784112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447656 (or 447650 counting only the distinct ones).

The product of its digits is 25088, while the sum is 38.

The square root of 78784112 is about 8876.0414600203. The cubic root of 78784112 is about 428.6928249541.

The spelling of 78784112 in words is "seventy-eight million, seven hundred eighty-four thousand, one hundred twelve".