479729447 has 12 divisors (see below), whose sum is σ = 496444200. Its totient is φ = 463471008.

The previous prime is 479729429. The next prime is 479729473. The reversal of 479729447 is 744927974.

It is not a de Polignac number, because 479729447 - 2¹⁴ = 479713063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479729407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186929 + ... + 189477.

It is an arithmetic number, because the mean of its divisors is an integer number (41370350).

Almost surely, 2^479729447 is an apocalyptic number.

479729447 is the 11708-th centered heptagonal number.

479729447 is a deficient number, since it is larger than the sum of its proper divisors (16714753).

479729447 is an equidigital number, since it uses as much as digits as its factorization.

479729447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722 (or 2669 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 53.

The square root of 479729447 is about 21902.7269306815. The cubic root of 479729447 is about 782.8263923657.

The spelling of 479729447 in words is "four hundred seventy-nine million, seven hundred twenty-nine thousand, four hundred forty-seven".