868711552 has 32 divisors (see below), whose sum is σ = 1763303580. Its totient is φ = 426157056.

The previous prime is 868711549. The next prime is 868711561. The reversal of 868711552 is 255117868.

868711552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 828058176 + 40653376 = 28776^2 + 6376^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 868711499 and 868711508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57243 + ... + 70810.

Almost surely, 2^868711552 is an apocalyptic number.

It is an amenable number.

868711552 is an abundant number, since it is smaller than the sum of its proper divisors (894592028).

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

868711552 is a wasteful number, since it uses less digits than its factorization.

868711552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128120 (or 128108 counting only the distinct ones).

The product of its digits is 134400, while the sum is 43.

The square root of 868711552 is about 29473.9130758032. The cubic root of 868711552 is about 954.1687720664.

The spelling of 868711552 in words is "eight hundred sixty-eight million, seven hundred eleven thousand, five hundred fifty-two".