5223087861 has 4 divisors (see below), whose sum is σ = 6964117152. Its totient is φ = 3482058572.

The previous prime is 5223087853. The next prime is 5223087889. The reversal of 5223087861 is 1687803225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5223087861 - 2³ = 5223087853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5223087761) 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, 870514641 + ... + 870514646.

It is an arithmetic number, because the mean of its divisors is an integer number (1741029288).

Almost surely, 2^5223087861 is an apocalyptic number.

It is an amenable number.

5223087861 is a deficient number, since it is larger than the sum of its proper divisors (1741029291).

5223087861 is a wasteful number, since it uses less digits than its factorization.

5223087861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741029290.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 5223087861 is about 72270.9337216560. The cubic root of 5223087861 is about 1735.0384775550.

The spelling of 5223087861 in words is "five billion, two hundred twenty-three million, eighty-seven thousand, eight hundred sixty-one".