479735277991 has 2 divisors, whose sum is σ = 479735277992. Its totient is φ = 479735277990.

The previous prime is 479735277977. The next prime is 479735278027. The reversal of 479735277991 is 199772537974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479735277991 - 2⁷ = 479735277863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479735277991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479735277911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239867638995 + 239867638996.

It is an arithmetic number, because the mean of its divisors is an integer number (239867638996).

Almost surely, 2^479735277991 is an apocalyptic number.

479735277991 is a deficient number, since it is larger than the sum of its proper divisors (1).

479735277991 is an equidigital number, since it uses as much as digits as its factorization.

479735277991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 210039480, while the sum is 70.

The spelling of 479735277991 in words is "four hundred seventy-nine billion, seven hundred thirty-five million, two hundred seventy-seven thousand, nine hundred ninety-one".