5387994871 has 24 divisors (see below), whose sum is σ = 6445322880. Its totient is φ = 4487700672.

The previous prime is 5387994823. The next prime is 5387994889. The reversal of 5387994871 is 1784997835.

It is not a de Polignac number, because 5387994871 - 2¹⁵ = 5387962103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387994571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1980250 + ... + 1982968.

It is an arithmetic number, because the mean of its divisors is an integer number (268555120).

Almost surely, 2^5387994871 is an apocalyptic number.

5387994871 is a deficient number, since it is larger than the sum of its proper divisors (1057328009).

5387994871 is a wasteful number, since it uses less digits than its factorization.

5387994871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3863 (or 3856 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 61.

The square root of 5387994871 is about 73402.9622767365. The cubic root of 5387994871 is about 1753.1095593790.

The spelling of 5387994871 in words is "five billion, three hundred eighty-seven million, nine hundred ninety-four thousand, eight hundred seventy-one".