968881556 has 24 divisors (see below), whose sum is σ = 1743837480. Its totient is φ = 470679552.

The previous prime is 968881541. The next prime is 968881577. The reversal of 968881556 is 655188869.

It can be written as a sum of positive squares in 4 ways, for example, as 577633156 + 391248400 = 24034^2 + 19780^2 .

It is a super-2 number, since 2×968881556² = 1877462939113962272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109556 + ... + 118068.

It is an arithmetic number, because the mean of its divisors is an integer number (72659895).

Almost surely, 2^968881556 is an apocalyptic number.

It is an amenable number.

968881556 is a deficient number, since it is larger than the sum of its proper divisors (774955924).

968881556 is a wasteful number, since it uses less digits than its factorization.

968881556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323 (or 9321 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 56.

The square root of 968881556 is about 31126.8622896687. The cubic root of 968881556 is about 989.5176904477.

The spelling of 968881556 in words is "nine hundred sixty-eight million, eight hundred eighty-one thousand, five hundred fifty-six".