479347797 has 4 divisors (see below), whose sum is σ = 639130400. Its totient is φ = 319565196.

The previous prime is 479347777. The next prime is 479347811. The reversal of 479347797 is 797743974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 479347797 - 2⁸ = 479347541 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 (479347727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79891297 + ... + 79891302.

It is an arithmetic number, because the mean of its divisors is an integer number (159782600).

Almost surely, 2^479347797 is an apocalyptic number.

It is an amenable number.

479347797 is a deficient number, since it is larger than the sum of its proper divisors (159782603).

479347797 is a wasteful number, since it uses less digits than its factorization.

479347797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159782602.

The product of its digits is 9335088, while the sum is 57.

The square root of 479347797 is about 21894.0128117255. The cubic root of 479347797 is about 782.6187441051.

The spelling of 479347797 in words is "four hundred seventy-nine million, three hundred forty-seven thousand, seven hundred ninety-seven".