479275991 has 8 divisors (see below), whose sum is σ = 487077744. Its totient is φ = 471493440.

The previous prime is 479275987. The next prime is 479275997. The reversal of 479275991 is 199572974.

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 479275991 - 2² = 479275987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479275997) 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, 50651 + ... + 59363.

It is an arithmetic number, because the mean of its divisors is an integer number (60884718).

Almost surely, 2^479275991 is an apocalyptic number.

479275991 is a deficient number, since it is larger than the sum of its proper divisors (7801753).

479275991 is an equidigital number, since it uses as much as digits as its factorization.

479275991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9601.

The product of its digits is 1428840, while the sum is 53.

The square root of 479275991 is about 21892.3728956000. The cubic root of 479275991 is about 782.5796635543.

The spelling of 479275991 in words is "four hundred seventy-nine million, two hundred seventy-five thousand, nine hundred ninety-one".