5657878 has 4 divisors (see below), whose sum is σ = 8486820. Its totient is φ = 2828938.

The previous prime is 5657867. The next prime is 5657881. The reversal of 5657878 is 8787565.

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, 1414468 + ... + 1414471.

It is an arithmetic number, because the mean of its divisors is an integer number (2121705).

Almost surely, 2^5657878 is an apocalyptic number.

5657878 is a deficient number, since it is larger than the sum of its proper divisors (2828942).

5657878 is a wasteful number, since it uses less digits than its factorization.

5657878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828941.

The product of its digits is 470400, while the sum is 46.

The square root of 5657878 is about 2378.6294373021. The cubic root of 5657878 is about 178.1904916865.

The spelling of 5657878 in words is "five million, six hundred fifty-seven thousand, eight hundred seventy-eight".