968386861 has 16 divisors (see below), whose sum is σ = 1105728624. Its totient is φ = 840167424.

The previous prime is 968386843. The next prime is 968386877. The reversal of 968386861 is 168683869.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17589636 + 950797225 = 4194^2 + 30835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-968386861 is a prime.

It is a super-2 number, since 2×968386861² = 1875546225114866642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (968386841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186841 + ... + 191953.

It is an arithmetic number, because the mean of its divisors is an integer number (69108039).

Almost surely, 2^968386861 is an apocalyptic number.

It is an amenable number.

968386861 is a deficient number, since it is larger than the sum of its proper divisors (137341763).

968386861 is a wasteful number, since it uses less digits than its factorization.

968386861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000.

The product of its digits is 2985984, while the sum is 55.

The square root of 968386861 is about 31118.9148429054. The cubic root of 968386861 is about 989.3492512866.

The spelling of 968386861 in words is "nine hundred sixty-eight million, three hundred eighty-six thousand, eight hundred sixty-one".