5188017987 has 6 divisors (see below), whose sum is σ = 7493803772. Its totient is φ = 3458678652.

The previous prime is 5188017949. The next prime is 5188017997. The reversal of 5188017987 is 7897108815.

It is not a de Polignac number, because 5188017987 - 2²³ = 5179629379 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (5188017907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 288223213 + ... + 288223230.

Almost surely, 2^5188017987 is an apocalyptic number.

5188017987 is a deficient number, since it is larger than the sum of its proper divisors (2305785785).

5188017987 is a wasteful number, since it uses less digits than its factorization.

5188017987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576446449 (or 576446446 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 54.

The square root of 5188017987 is about 72027.8972829278. The cubic root of 5188017987 is about 1731.1465093302.

The spelling of 5188017987 in words is "five billion, one hundred eighty-eight million, seventeen thousand, nine hundred eighty-seven".