479827728977 has 2 divisors, whose sum is σ = 479827728978. Its totient is φ = 479827728976.

The previous prime is 479827728973. The next prime is 479827729001. The reversal of 479827728977 is 779827728974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447539592256 + 32288136721 = 668984^2 + 179689^2 .

It is a cyclic number.

It is not a de Polignac number, because 479827728977 - 2² = 479827728973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 479827728898 and 479827728907.

It is not a weakly prime, because it can be changed into another prime (479827728973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239913864488 + 239913864489.

It is an arithmetic number, because the mean of its divisors is an integer number (239913864489).

Almost surely, 2^479827728977 is an apocalyptic number.

It is an amenable number.

479827728977 is a deficient number, since it is larger than the sum of its proper divisors (1).

479827728977 is an equidigital number, since it uses as much as digits as its factorization.

479827728977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1394039808, while the sum is 77.

The spelling of 479827728977 in words is "four hundred seventy-nine billion, eight hundred twenty-seven million, seven hundred twenty-eight thousand, nine hundred seventy-seven".