868538379 has 8 divisors (see below), whose sum is σ = 1161752272. Its totient is φ = 577175040.

The previous prime is 868538329. The next prime is 868538387. The reversal of 868538379 is 973835868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 868538379 - 2¹⁵ = 868505611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868538309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461542 + ... + 463419.

It is an arithmetic number, because the mean of its divisors is an integer number (145219034).

Almost surely, 2^868538379 is an apocalyptic number.

868538379 is a deficient number, since it is larger than the sum of its proper divisors (293213893).

868538379 is a wasteful number, since it uses less digits than its factorization.

868538379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925277.

The product of its digits is 8709120, while the sum is 57.

The square root of 868538379 is about 29470.9751959449. The cubic root of 868538379 is about 954.1053650397.

The spelling of 868538379 in words is "eight hundred sixty-eight million, five hundred thirty-eight thousand, three hundred seventy-nine".