5378778 has 16 divisors (see below), whose sum is σ = 11952960. Its totient is φ = 1792908.

The previous prime is 5378731. The next prime is 5378819. The reversal of 5378778 is 8778735.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49750 + ... + 49857.

It is an arithmetic number, because the mean of its divisors is an integer number (747060).

Almost surely, 2^5378778 is an apocalyptic number.

5378778 is an abundant number, since it is smaller than the sum of its proper divisors (6574182).

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

5378778 is a wasteful number, since it uses less digits than its factorization.

5378778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99618 (or 99612 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 5378778 is about 2319.2192651839. The cubic root of 5378778 is about 175.2109347651.

The spelling of 5378778 in words is "five million, three hundred seventy-eight thousand, seven hundred seventy-eight".