868396752 has 30 divisors (see below), whose sum is σ = 2430305202. Its totient is φ = 289465536.

The previous prime is 868396747. The next prime is 868396757. The reversal of 868396752 is 257693868.

It is a happy number.

868396752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (868396747) and next prime (868396757).

It can be written as a sum of positive squares in only one way, i.e., 462938256 + 405458496 = 21516^2 + 20136^2 .

It is a super-2 number, since 2×868396752² = 1508225837768299008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868396757) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3015123 + ... + 3015410.

Almost surely, 2^868396752 is an apocalyptic number.

It is an amenable number.

868396752 is an abundant number, since it is smaller than the sum of its proper divisors (1561908450).

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

868396752 is a wasteful number, since it uses less digits than its factorization.

868396752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6030547 (or 6030538 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 868396752 is about 29468.5722762403. The cubic root of 868396752 is about 954.0535022669.

The spelling of 868396752 in words is "eight hundred sixty-eight million, three hundred ninety-six thousand, seven hundred fifty-two".