5780878 has 4 divisors (see below), whose sum is σ = 8671320. Its totient is φ = 2890438.

The previous prime is 5780857. The next prime is 5780881. The reversal of 5780878 is 8780875.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 1445218 + ... + 1445221.

It is an arithmetic number, because the mean of its divisors is an integer number (2167830).

Almost surely, 2^5780878 is an apocalyptic number.

5780878 is a deficient number, since it is larger than the sum of its proper divisors (2890442).

5780878 is a wasteful number, since it uses less digits than its factorization.

5780878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890441.

The product of its (nonzero) digits is 125440, while the sum is 43.

The square root of 5780878 is about 2404.3456490280. The cubic root of 5780878 is about 179.4725091938.

The spelling of 5780878 in words is "five million, seven hundred eighty thousand, eight hundred seventy-eight".