868253403 has 8 divisors (see below), whose sum is σ = 1159625808. Its totient is φ = 577858304.

The previous prime is 868253401. The next prime is 868253423. The reversal of 868253403 is 304352868.

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

It is a cyclic number.

It is not a de Polignac number, because 868253403 - 2¹ = 868253401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (868253401) 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, 242250 + ... + 245807.

It is an arithmetic number, because the mean of its divisors is an integer number (144953226).

Almost surely, 2^868253403 is an apocalyptic number.

868253403 is a deficient number, since it is larger than the sum of its proper divisors (291372405).

868253403 is a wasteful number, since it uses less digits than its factorization.

868253403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488653.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 868253403 is about 29466.1399406166. The cubic root of 868253403 is about 954.0010031678.

The spelling of 868253403 in words is "eight hundred sixty-eight million, two hundred fifty-three thousand, four hundred three".