868664232 has 48 divisors (see below), whose sum is σ = 2491025940. Its totient is φ = 272521728.

The previous prime is 868664221. The next prime is 868664233. The reversal of 868664232 is 232466868.

868664232 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 662856516 + 205807716 = 25746^2 + 14346^2 .

It is a super-2 number, since 2×868664232² = 1509155095912299648, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (868664233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353623 + ... + 356070.

Almost surely, 2^868664232 is an apocalyptic number.

It is an amenable number.

868664232 is an abundant number, since it is smaller than the sum of its proper divisors (1622361708).

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

868664232 is a wasteful number, since it uses less digits than its factorization.

868664232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709722 (or 709715 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 868664232 is about 29473.1103211046. The cubic root of 868664232 is about 954.1514467582.

The spelling of 868664232 in words is "eight hundred sixty-eight million, six hundred sixty-four thousand, two hundred thirty-two".