479928551 has 2 divisors, whose sum is σ = 479928552. Its totient is φ = 479928550.

The previous prime is 479928529. The next prime is 479928583. The reversal of 479928551 is 155829974.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479928551 - 2⁶ = 479928487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 479928551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (479928521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239964275 + 239964276.

It is an arithmetic number, because the mean of its divisors is an integer number (239964276).

Almost surely, 2^479928551 is an apocalyptic number.

479928551 is a deficient number, since it is larger than the sum of its proper divisors (1).

479928551 is an equidigital number, since it uses as much as digits as its factorization.

479928551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 50.

The square root of 479928551 is about 21907.2716466474. The cubic root of 479928551 is about 782.9346772257.

The spelling of 479928551 in words is "four hundred seventy-nine million, nine hundred twenty-eight thousand, five hundred fifty-one".