78994412 has 12 divisors (see below), whose sum is σ = 157988880. Its totient is φ = 33854736.

The previous prime is 78994403. The next prime is 78994453. The reversal of 78994412 is 21449987.

78994412 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410587 + ... + 1410642.

It is an arithmetic number, because the mean of its divisors is an integer number (13165740).

Almost surely, 2^78994412 is an apocalyptic number.

It is an amenable number.

78994412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78994412 is a wasteful number, since it uses less digits than its factorization.

78994412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2821240 (or 2821238 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 78994412 is about 8887.8800621971. The cubic root of 78994412 is about 429.0739254952.

The spelling of 78994412 in words is "seventy-eight million, nine hundred ninety-four thousand, four hundred twelve".