479725871447 has 2 divisors, whose sum is σ = 479725871448. Its totient is φ = 479725871446.

The previous prime is 479725871389. The next prime is 479725871479. The reversal of 479725871447 is 744178527974.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 479725871447 - 2¹⁰ = 479725870423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479725871497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239862935723 + 239862935724.

It is an arithmetic number, because the mean of its divisors is an integer number (239862935724).

Almost surely, 2^479725871447 is an apocalyptic number.

479725871447 is a deficient number, since it is larger than the sum of its proper divisors (1).

479725871447 is an equidigital number, since it uses as much as digits as its factorization.

479725871447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110638080, while the sum is 65.

The spelling of 479725871447 in words is "four hundred seventy-nine billion, seven hundred twenty-five million, eight hundred seventy-one thousand, four hundred forty-seven".