868539152 has 40 divisors (see below), whose sum is σ = 1870713600. Its totient is φ = 387930240.

The previous prime is 868539149. The next prime is 868539173. The reversal of 868539152 is 251935868.

It is a junction number, because it is equal to n+sod(n) for n = 868539097 and 868539106.

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, 60902 + ... + 73797.

It is an arithmetic number, because the mean of its divisors is an integer number (46767840).

Almost surely, 2^868539152 is an apocalyptic number.

It is an amenable number.

868539152 is an abundant number, since it is smaller than the sum of its proper divisors (1002174448).

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

868539152 is a wasteful number, since it uses less digits than its factorization.

868539152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134751 (or 134745 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The square root of 868539152 is about 29470.9883105402. The cubic root of 868539152 is about 954.1056480912.

The spelling of 868539152 in words is "eight hundred sixty-eight million, five hundred thirty-nine thousand, one hundred fifty-two".