968324881 has 4 divisors (see below), whose sum is σ = 968393764. Its totient is φ = 968256000.

The previous prime is 968324867. The next prime is 968324899. The reversal of 968324881 is 188423869.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 548730625 + 419594256 = 23425^2 + 20484^2 .

It is a 3-Lehmer number, since φ(968324881) divides (968324881-1)³.

It is a cyclic number.

It is not a de Polignac number, because 968324881 - 2⁵ = 968324849 is a prime.

It is a super-2 number, since 2×968324881² = 1875306150327328322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (968324801) 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, 4920 + ... + 44281.

It is an arithmetic number, because the mean of its divisors is an integer number (242098441).

It is a Poulet number, since it divides 2^968324880-1.

Almost surely, 2^968324881 is an apocalyptic number.

968324881 is the 19681-st heptagonal number.

It is an amenable number.

968324881 is a deficient number, since it is larger than the sum of its proper divisors (68883).

968324881 is a wasteful number, since it uses less digits than its factorization.

968324881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68882.

The product of its digits is 663552, while the sum is 49.

The square root of 968324881 is about 31117.9189696226. The cubic root of 968324881 is about 989.3281436153.

The spelling of 968324881 in words is "nine hundred sixty-eight million, three hundred twenty-four thousand, eight hundred eighty-one".