479978943 has 8 divisors (see below), whose sum is σ = 654855168. Its totient is φ = 312544344.

The previous prime is 479978903. The next prime is 479978951. The reversal of 479978943 is 349879974.

It is a happy number.

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

It is not a de Polignac number, because 479978943 - 2¹⁰ = 479977919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479978903) 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, 1860255 + ... + 1860512.

It is an arithmetic number, because the mean of its divisors is an integer number (81856896).

Almost surely, 2^479978943 is an apocalyptic number.

479978943 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

479978943 is a deficient number, since it is larger than the sum of its proper divisors (174876225).

479978943 is a wasteful number, since it uses less digits than its factorization.

479978943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720813.

The product of its digits is 13716864, while the sum is 60.

The square root of 479978943 is about 21908.4217368573. The cubic root of 479978943 is about 782.9620787097.

The spelling of 479978943 in words is "four hundred seventy-nine million, nine hundred seventy-eight thousand, nine hundred forty-three".