5861866623 has 4 divisors (see below), whose sum is σ = 7815822168. Its totient is φ = 3907911080.

The previous prime is 5861866613. The next prime is 5861866651. The reversal of 5861866623 is 3266681685.

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 5861866623 - 2⁴ = 5861866607 is a prime.

It is a super-2 number, since 2×5861866623² = 68722960611682848258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5861866603) 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, 976977768 + ... + 976977773.

It is an arithmetic number, because the mean of its divisors is an integer number (1953955542).

Almost surely, 2^5861866623 is an apocalyptic number.

5861866623 is a deficient number, since it is larger than the sum of its proper divisors (1953955545).

5861866623 is a wasteful number, since it uses less digits than its factorization.

5861866623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953955544.

The product of its digits is 2488320, while the sum is 51.

The square root of 5861866623 is about 76562.8279454201. The cubic root of 5861866623 is about 1803.0674674498.

The spelling of 5861866623 in words is "five billion, eight hundred sixty-one million, eight hundred sixty-six thousand, six hundred twenty-three".