868055652 has 18 divisors (see below), whose sum is σ = 2194251878. Its totient is φ = 289351872.

The previous prime is 868055623. The next prime is 868055687. The reversal of 868055652 is 256550868.

868055652 is a `hidden beast` number, since 8 + 6 + 80 + 5 + 565 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 760435776 + 107619876 = 27576^2 + 10374^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×868055652² = 1507041229938290208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 868055598 and 868055607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12056293 + ... + 12056364.

Almost surely, 2^868055652 is an apocalyptic number.

It is an amenable number.

868055652 is an abundant number, since it is smaller than the sum of its proper divisors (1326196226).

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

868055652 is a wasteful number, since it uses less digits than its factorization.

868055652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24112667 (or 24112662 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 868055652 is about 29462.7841861559. The cubic root of 868055652 is about 953.9285707895.

The spelling of 868055652 in words is "eight hundred sixty-eight million, fifty-five thousand, six hundred fifty-two".