479912878673 has 2 divisors, whose sum is σ = 479912878674. Its totient is φ = 479912878672.

The previous prime is 479912878667. The next prime is 479912878727. The reversal of 479912878673 is 376878219974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462166109584 + 17746769089 = 679828^2 + 133217^2 .

It is a cyclic number.

It is not a de Polignac number, because 479912878673 - 2⁴ = 479912878657 is a prime.

It is a super-2 number, since 2×479912878673² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 479912878597 and 479912878606.

It is not a weakly prime, because it can be changed into another prime (479912878663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239956439336 + 239956439337.

It is an arithmetic number, because the mean of its divisors is an integer number (239956439337).

Almost surely, 2^479912878673 is an apocalyptic number.

It is an amenable number.

479912878673 is a deficient number, since it is larger than the sum of its proper divisors (1).

479912878673 is an equidigital number, since it uses as much as digits as its factorization.

479912878673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256048128, while the sum is 71.

The spelling of 479912878673 in words is "four hundred seventy-nine billion, nine hundred twelve million, eight hundred seventy-eight thousand, six hundred seventy-three".