868709622 has 64 divisors (see below), whose sum is σ = 2026612224. Its totient is φ = 245322240.

The previous prime is 868709603. The next prime is 868709629. The reversal of 868709622 is 226907868.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868709629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111808 + ... + 119324.

It is an arithmetic number, because the mean of its divisors is an integer number (31665816).

Almost surely, 2^868709622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 868709622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1013306112).

868709622 is an abundant number, since it is smaller than the sum of its proper divisors (1157902602).

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

868709622 is a wasteful number, since it uses less digits than its factorization.

868709622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 868709622 is about 29473.8803349678. The cubic root of 868709622 is about 954.1680654463.

The spelling of 868709622 in words is "eight hundred sixty-eight million, seven hundred nine thousand, six hundred twenty-two".