479421277 has 2 divisors, whose sum is σ = 479421278. Its totient is φ = 479421276.

The previous prime is 479421263. The next prime is 479421287. The reversal of 479421277 is 772124974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264095001 + 215326276 = 16251^2 + 14674^2 .

It is a cyclic number.

It is not a de Polignac number, because 479421277 - 2¹⁵ = 479388509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479421287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239710638 + 239710639.

It is an arithmetic number, because the mean of its divisors is an integer number (239710639).

Almost surely, 2^479421277 is an apocalyptic number.

It is an amenable number.

479421277 is a deficient number, since it is larger than the sum of its proper divisors (1).

479421277 is an equidigital number, since it uses as much as digits as its factorization.

479421277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 43.

The square root of 479421277 is about 21895.6908317596. The cubic root of 479421277 is about 782.6587316935.

The spelling of 479421277 in words is "four hundred seventy-nine million, four hundred twenty-one thousand, two hundred seventy-seven".