868381237 has 4 divisors (see below), whose sum is σ = 868704736. Its totient is φ = 868057740.

The previous prime is 868381229. The next prime is 868381273. The reversal of 868381237 is 732183868.

868381237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 868381237 - 2³ = 868381229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868381337) 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, 157689 + ... + 163102.

It is an arithmetic number, because the mean of its divisors is an integer number (217176184).

Almost surely, 2^868381237 is an apocalyptic number.

It is an amenable number.

868381237 is a deficient number, since it is larger than the sum of its proper divisors (323499).

868381237 is a wasteful number, since it uses less digits than its factorization.

868381237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323498.

The product of its digits is 387072, while the sum is 46.

The square root of 868381237 is about 29468.3090285140. The cubic root of 868381237 is about 954.0478204445.

The spelling of 868381237 in words is "eight hundred sixty-eight million, three hundred eighty-one thousand, two hundred thirty-seven".