5641716887 has 4 divisors (see below), whose sum is σ = 5641954056. Its totient is φ = 5641479720.

The previous prime is 5641716881. The next prime is 5641716907. The reversal of 5641716887 is 7886171465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7886171465 = 5 ⋅1577234293.

It is a cyclic number.

It is not a de Polignac number, because 5641716887 - 2⁸ = 5641716631 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 (5641716881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78353 + ... + 131994.

It is an arithmetic number, because the mean of its divisors is an integer number (1410488514).

Almost surely, 2^5641716887 is an apocalyptic number.

5641716887 is a deficient number, since it is larger than the sum of its proper divisors (237169).

5641716887 is a wasteful number, since it uses less digits than its factorization.

5641716887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237168.

The product of its digits is 2257920, while the sum is 53.

The square root of 5641716887 is about 75111.3632348661. The cubic root of 5641716887 is about 1780.2066930581.

The spelling of 5641716887 in words is "five billion, six hundred forty-one million, seven hundred sixteen thousand, eight hundred eighty-seven".