863273472 has 80 divisors (see below), whose sum is σ = 2331621600. Its totient is φ = 283779072.

The previous prime is 863273471. The next prime is 863273507. The reversal of 863273472 is 274372368.

It is not an unprimeable number, because it can be changed into a prime (863273471) 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, 108279 + ... + 115977.

It is an arithmetic number, because the mean of its divisors is an integer number (29145270).

Almost surely, 2^863273472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 863273472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1165810800).

863273472 is an abundant number, since it is smaller than the sum of its proper divisors (1468348128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863273472 is an equidigital number, since it uses as much as digits as its factorization.

863273472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793 (or 7777 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 863273472 is about 29381.5158220266. The cubic root of 863273472 is about 952.1735907351.

The spelling of 863273472 in words is "eight hundred sixty-three million, two hundred seventy-three thousand, four hundred seventy-two".