5188074478 has 4 divisors (see below), whose sum is σ = 7782111720. Its totient is φ = 2594037238.

The previous prime is 5188074457. The next prime is 5188074481. The reversal of 5188074478 is 8744708815.

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

It is a super-2 number, since 2×5188074478² = 53832233578549944968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1297018618 + ... + 1297018621.

It is an arithmetic number, because the mean of its divisors is an integer number (1945527930).

Almost surely, 2^5188074478 is an apocalyptic number.

5188074478 is a deficient number, since it is larger than the sum of its proper divisors (2594037242).

5188074478 is a wasteful number, since it uses less digits than its factorization.

5188074478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594037241.

The product of its (nonzero) digits is 2007040, while the sum is 52.

The square root of 5188074478 is about 72028.2894285294. The cubic root of 5188074478 is about 1731.1527926445.

The spelling of 5188074478 in words is "five billion, one hundred eighty-eight million, seventy-four thousand, four hundred seventy-eight".