479657839571 has 8 divisors (see below), whose sum is σ = 501014570784. Its totient is φ = 458342945280.

The previous prime is 479657839553. The next prime is 479657839579. The reversal of 479657839571 is 175938756974.

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 479657839571 - 2²² = 479653645267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 479657839495 and 479657839504.

It is not an unprimeable number, because it can be changed into a prime (479657839579) 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, 10435790 + ... + 10481651.

It is an arithmetic number, because the mean of its divisors is an integer number (62626821348).

Almost surely, 2^479657839571 is an apocalyptic number.

479657839571 is a deficient number, since it is larger than the sum of its proper divisors (21356731213).

479657839571 is a wasteful number, since it uses less digits than its factorization.

479657839571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20918461.

The product of its digits is 400075200, while the sum is 71.

The spelling of 479657839571 in words is "four hundred seventy-nine billion, six hundred fifty-seven million, eight hundred thirty-nine thousand, five hundred seventy-one".