5656986886 has 8 divisors (see below), whose sum is σ = 8550255384. Its totient is φ = 2806901760.

The previous prime is 5656986859. The next prime is 5656986887. The reversal of 5656986886 is 6886896565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656986887) 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, 10795515 + ... + 10796038.

It is an arithmetic number, because the mean of its divisors is an integer number (1068781923).

Almost surely, 2^5656986886 is an apocalyptic number.

5656986886 is a deficient number, since it is larger than the sum of its proper divisors (2893268498).

5656986886 is a wasteful number, since it uses less digits than its factorization.

5656986886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21591686.

The product of its digits is 149299200, while the sum is 67.

The square root of 5656986886 is about 75212.9436068021. The cubic root of 5656986886 is about 1781.8113621325.

The spelling of 5656986886 in words is "five billion, six hundred fifty-six million, nine hundred eighty-six thousand, eight hundred eighty-six".