868488893 has 4 divisors (see below), whose sum is σ = 876920928. Its totient is φ = 860056860.

The previous prime is 868488853. The next prime is 868488941. The reversal of 868488893 is 398884868.

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 868488893 - 2¹⁰ = 868487869 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 (868488823) 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, 4215863 + ... + 4216068.

It is an arithmetic number, because the mean of its divisors is an integer number (219230232).

Almost surely, 2^868488893 is an apocalyptic number.

It is an amenable number.

868488893 is a deficient number, since it is larger than the sum of its proper divisors (8432035).

868488893 is a wasteful number, since it uses less digits than its factorization.

868488893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8432034.

The product of its digits is 21233664, while the sum is 62.

The square root of 868488893 is about 29470.1356121753. The cubic root of 868488893 is about 954.0872442689.

The spelling of 868488893 in words is "eight hundred sixty-eight million, four hundred eighty-eight thousand, eight hundred ninety-three".