78043792 has 20 divisors (see below), whose sum is σ = 159168880. Its totient is φ = 36967968.

The previous prime is 78043751. The next prime is 78043813. The reversal of 78043792 is 29734087.

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, 128058 + ... + 128665.

It is an arithmetic number, because the mean of its divisors is an integer number (7958444).

Almost surely, 2^78043792 is an apocalyptic number.

It is an amenable number.

78043792 is an abundant number, since it is smaller than the sum of its proper divisors (81125088).

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

78043792 is a wasteful number, since it uses less digits than its factorization.

78043792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256750 (or 256744 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 78043792 is about 8834.2397522367. The cubic root of 78043792 is about 427.3458140089.

The spelling of 78043792 in words is "seventy-eight million, forty-three thousand, seven hundred ninety-two".