5578787 has 4 divisors (see below), whose sum is σ = 5641560. Its totient is φ = 5516016.

The previous prime is 5578763. The next prime is 5578813. The reversal of 5578787 is 7878755.

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

It is a cyclic number.

It is not a de Polignac number, because 5578787 - 2¹⁸ = 5316643 is a prime.

It is a super-2 number, since 2×5578787² = 62245728782738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5578717) 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, 31253 + ... + 31430.

It is an arithmetic number, because the mean of its divisors is an integer number (1410390).

Almost surely, 2^5578787 is an apocalyptic number.

5578787 is a deficient number, since it is larger than the sum of its proper divisors (62773).

5578787 is an equidigital number, since it uses as much as digits as its factorization.

5578787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62772.

The product of its digits is 548800, while the sum is 47.

The square root of 5578787 is about 2361.9455963252. The cubic root of 5578787 is about 177.3562891527.

Subtracting 5578787 from its reverse (7878755), we obtain a cube (2299968 = 132³).

The spelling of 5578787 in words is "five million, five hundred seventy-eight thousand, seven hundred eighty-seven".