5387778 has 24 divisors (see below), whose sum is σ = 12735216. Its totient is φ = 1632600.

The previous prime is 5387749. The next prime is 5387783. The reversal of 5387778 is 8777835.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13408 + ... + 13803.

It is an arithmetic number, because the mean of its divisors is an integer number (530634).

Almost surely, 2^5387778 is an apocalyptic number.

5387778 is an abundant number, since it is smaller than the sum of its proper divisors (7347438).

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

5387778 is a wasteful number, since it uses less digits than its factorization.

5387778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27230 (or 27227 counting only the distinct ones).

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

The square root of 5387778 is about 2321.1587623426. The cubic root of 5387778 is about 175.3086037721.

It can be divided in two parts, 5 and 387778, that added together give a palindrome (387783).

The spelling of 5387778 in words is "five million, three hundred eighty-seven thousand, seven hundred seventy-eight".