868263473 has 32 divisors (see below), whose sum is σ = 1103984640. Its totient is φ = 663264000.

The previous prime is 868263443. The next prime is 868263479. The reversal of 868263473 is 374362868.

It is not a de Polignac number, because 868263473 - 2¹⁴ = 868247089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (868263479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1317218 + ... + 1317876.

It is an arithmetic number, because the mean of its divisors is an integer number (34499520).

Almost surely, 2^868263473 is an apocalyptic number.

It is an amenable number.

868263473 is a deficient number, since it is larger than the sum of its proper divisors (235721167).

868263473 is a wasteful number, since it uses less digits than its factorization.

868263473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989.

The product of its digits is 1161216, while the sum is 47.

The square root of 868263473 is about 29466.3108142163. The cubic root of 868263473 is about 954.0046913203.

The spelling of 868263473 in words is "eight hundred sixty-eight million, two hundred sixty-three thousand, four hundred seventy-three".