5579878 has 4 divisors (see below), whose sum is σ = 8369820. Its totient is φ = 2789938.

The previous prime is 5579857. The next prime is 5579879. The reversal of 5579878 is 8789755.

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

It is a super-2 number, since 2×5579878² = 62270076989768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5579879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1394968 + ... + 1394971.

It is an arithmetic number, because the mean of its divisors is an integer number (2092455).

Almost surely, 2^5579878 is an apocalyptic number.

5579878 is a deficient number, since it is larger than the sum of its proper divisors (2789942).

5579878 is a wasteful number, since it uses less digits than its factorization.

5579878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789941.

The product of its digits is 705600, while the sum is 49.

The square root of 5579878 is about 2362.1765387032. The cubic root of 5579878 is about 177.3678497959.

The spelling of 5579878 in words is "five million, five hundred seventy-nine thousand, eight hundred seventy-eight".