868571044 has 12 divisors (see below), whose sum is σ = 1658181168. Its totient is φ = 394805000.

The previous prime is 868571029. The next prime is 868571047. The reversal of 868571044 is 440175868.

It is not an unprimeable number, because it can be changed into a prime (868571047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9870082 + ... + 9870169.

It is an arithmetic number, because the mean of its divisors is an integer number (138181764).

Almost surely, 2^868571044 is an apocalyptic number.

It is an amenable number.

868571044 is a deficient number, since it is larger than the sum of its proper divisors (789610124).

868571044 is a wasteful number, since it uses less digits than its factorization.

868571044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19740266 (or 19740264 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 868571044 is about 29471.5293800644. The cubic root of 868571044 is about 954.1173259240.

The spelling of 868571044 in words is "eight hundred sixty-eight million, five hundred seventy-one thousand, forty-four".