5678636871 has 16 divisors (see below), whose sum is σ = 8129818368. Its totient is φ = 3512880000.

The previous prime is 5678636857. The next prime is 5678636879. The reversal of 5678636871 is 1786368765.

5678636871 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5678636871 - 2⁵ = 5678636839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678636879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780505 + ... + 787746.

It is an arithmetic number, because the mean of its divisors is an integer number (508113648).

Almost surely, 2^5678636871 is an apocalyptic number.

5678636871 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5678636871 is a deficient number, since it is larger than the sum of its proper divisors (2451181497).

5678636871 is a wasteful number, since it uses less digits than its factorization.

5678636871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568342.

The product of its digits is 10160640, while the sum is 57.

The square root of 5678636871 is about 75356.7307610939. The cubic root of 5678636871 is about 1784.0815389637.

It can be divided in two parts, 5 and 678636871, that added together give a palindrome (678636876).

The spelling of 5678636871 in words is "five billion, six hundred seventy-eight million, six hundred thirty-six thousand, eight hundred seventy-one".