868276556 has 24 divisors (see below), whose sum is σ = 1743324576. Its totient is φ = 370667520.

The previous prime is 868276531. The next prime is 868276561. The reversal of 868276556 is 655672868.

It is a super-2 number, since 2×868276556² = 1507808355398442272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 868276498 and 868276507.

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, 53135 + ... + 67526.

It is an arithmetic number, because the mean of its divisors is an integer number (72638524).

Almost surely, 2^868276556 is an apocalyptic number.

It is an amenable number.

868276556 is an abundant number, since it is smaller than the sum of its proper divisors (875048020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

868276556 is a wasteful number, since it uses less digits than its factorization.

868276556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120929 (or 120927 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The square root of 868276556 is about 29466.5328126673. The cubic root of 868276556 is about 954.0094829460.

The spelling of 868276556 in words is "eight hundred sixty-eight million, two hundred seventy-six thousand, five hundred fifty-six".