479172279 has 8 divisors (see below), whose sum is σ = 640340352. Its totient is φ = 318726200.

The previous prime is 479172277. The next prime is 479172313. The reversal of 479172279 is 972271974.

479172279 = 247² + 248² + ... + 1132².

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 479172279 - 2¹ = 479172277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479172277) 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, 178947 + ... + 181604.

It is an arithmetic number, because the mean of its divisors is an integer number (80042544).

Almost surely, 2^479172279 is an apocalyptic number.

479172279 is a deficient number, since it is larger than the sum of its proper divisors (161168073).

479172279 is a wasteful number, since it uses less digits than its factorization.

479172279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360997.

The product of its digits is 444528, while the sum is 48.

The square root of 479172279 is about 21890.0040886246. The cubic root of 479172279 is about 782.5232112118.

The spelling of 479172279 in words is "four hundred seventy-nine million, one hundred seventy-two thousand, two hundred seventy-nine".