5219811877 has 12 divisors (see below), whose sum is σ = 6281407980. Its totient is φ = 4319843136.

The previous prime is 5219811859. The next prime is 5219811881. The reversal of 5219811877 is 7781189125.

It can be written as a sum of positive squares in 2 ways, for example, as 3984008161 + 1235803716 = 63119^2 + 35154^2 .

It is not a de Polignac number, because 5219811877 - 2⁷ = 5219811749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

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 5219811877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5219811827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1835248 + ... + 1838089.

It is an arithmetic number, because the mean of its divisors is an integer number (523450665).

Almost surely, 2^5219811877 is an apocalyptic number.

It is an amenable number.

5219811877 is a deficient number, since it is larger than the sum of its proper divisors (1061596103).

5219811877 is a wasteful number, since it uses less digits than its factorization.

5219811877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673380 (or 3673373 counting only the distinct ones).

The product of its digits is 282240, while the sum is 49.

The square root of 5219811877 is about 72248.2655639566. The cubic root of 5219811877 is about 1734.6756559696.

The spelling of 5219811877 in words is "five billion, two hundred nineteen million, eight hundred eleven thousand, eight hundred seventy-seven".