868522571 has 16 divisors (see below), whose sum is σ = 1079395776. Its totient is φ = 681716736.

The previous prime is 868522561. The next prime is 868522583. The reversal of 868522571 is 175225868.

868522571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 868522571 - 2⁶ = 868522507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868522511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94226 + ... + 103031.

It is an arithmetic number, because the mean of its divisors is an integer number (67462236).

Almost surely, 2^868522571 is an apocalyptic number.

868522571 is a deficient number, since it is larger than the sum of its proper divisors (210873205).

868522571 is a wasteful number, since it uses less digits than its factorization.

868522571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197318.

The product of its digits is 268800, while the sum is 44.

The square root of 868522571 is about 29470.7069986453. The cubic root of 868522571 is about 954.0995765451.

The spelling of 868522571 in words is "eight hundred sixty-eight million, five hundred twenty-two thousand, five hundred seventy-one".