479105957527 has 4 divisors (see below), whose sum is σ = 479241569880. Its totient is φ = 478970345176.

The previous prime is 479105957507. The next prime is 479105957537. The reversal of 479105957527 is 725759501974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-479105957527 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 (479105957507) 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, 67800877 + ... + 67807942.

It is an arithmetic number, because the mean of its divisors is an integer number (119810392470).

Almost surely, 2^479105957527 is an apocalyptic number.

479105957527 is a deficient number, since it is larger than the sum of its proper divisors (135612353).

479105957527 is a wasteful number, since it uses less digits than its factorization.

479105957527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135612352.

The product of its (nonzero) digits is 27783000, while the sum is 61.

The spelling of 479105957527 in words is "four hundred seventy-nine billion, one hundred five million, nine hundred fifty-seven thousand, five hundred twenty-seven".