867813652 has 12 divisors (see below), whose sum is σ = 1518883380. Its totient is φ = 433846976.

The previous prime is 867813649. The next prime is 867813673. The reversal of 867813652 is 256318768.

867813652 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 8503056 + 859310596 = 2916^2 + 29314^2 .

It is a congruent number.

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, 40518 + ... + 58114.

It is an arithmetic number, because the mean of its divisors is an integer number (126573615).

Almost surely, 2^867813652 is an apocalyptic number.

It is an amenable number.

867813652 is a deficient number, since it is larger than the sum of its proper divisors (651069728).

867813652 is a wasteful number, since it uses less digits than its factorization.

867813652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29930 (or 29928 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 867813652 is about 29458.6770239262. The cubic root of 867813652 is about 953.8399158861.

The spelling of 867813652 in words is "eight hundred sixty-seven million, eight hundred thirteen thousand, six hundred fifty-two".