868738608 has 60 divisors (see below), whose sum is σ = 2521319528. Its totient is φ = 289578240.

The previous prime is 868738603. The next prime is 868738609. The reversal of 868738608 is 806837868.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (868738603) 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, 107833 + ... + 115608.

Almost surely, 2^868738608 is an apocalyptic number.

It is an amenable number.

868738608 is an abundant number, since it is smaller than the sum of its proper divisors (1652580920).

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

868738608 is a wasteful number, since it uses less digits than its factorization.

868738608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223464 (or 223446 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 868738608 is about 29474.3720543797. The cubic root of 868738608 is about 954.1786778179.

It can be divided in two parts, 86873 and 8608, that added together give a square (95481 = 309²).

The spelling of 868738608 in words is "eight hundred sixty-eight million, seven hundred thirty-eight thousand, six hundred eight".