78854268 has 12 divisors (see below), whose sum is σ = 183993320. Its totient is φ = 26284752.

The previous prime is 78854261. The next prime is 78854291. The reversal of 78854268 is 86245887.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78854261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285583 + ... + 3285606.

Almost surely, 2^78854268 is an apocalyptic number.

It is an amenable number.

78854268 is an abundant number, since it is smaller than the sum of its proper divisors (105139052).

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

78854268 is a wasteful number, since it uses less digits than its factorization.

78854268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571196 (or 6571194 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 78854268 is about 8879.9925675645. The cubic root of 78854268 is about 428.8200352519.

The spelling of 78854268 in words is "seventy-eight million, eight hundred fifty-four thousand, two hundred sixty-eight".