5209888087771 has 4 divisors (see below), whose sum is σ = 5516352092952. Its totient is φ = 4903424082592.

The previous prime is 5209888087769. The next prime is 5209888087801. The reversal of 5209888087771 is 1777808889025.

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

It is a cyclic number.

It is not a de Polignac number, because 5209888087771 - 2¹ = 5209888087769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5209888087771.

It is not an unprimeable number, because it can be changed into a prime (5209888087571) 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, 153232002565 + ... + 153232002598.

It is an arithmetic number, because the mean of its divisors is an integer number (1379088023238).

Almost surely, 2^{5209888087771} is an apocalyptic number.

5209888087771 is a deficient number, since it is larger than the sum of its proper divisors (306464005181).

5209888087771 is a wasteful number, since it uses less digits than its factorization.

5209888087771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306464005180.

The product of its (nonzero) digits is 126443520, while the sum is 70.

The spelling of 5209888087771 in words is "five trillion, two hundred nine billion, eight hundred eighty-eight million, eighty-seven thousand, seven hundred seventy-one".