478956299 has 2 divisors, whose sum is σ = 478956300. Its totient is φ = 478956298.

The previous prime is 478956281. The next prime is 478956307. The reversal of 478956299 is 992659874.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478956299 is a prime.

It is not a weakly prime, because it can be changed into another prime (478956229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239478149 + 239478150.

It is an arithmetic number, because the mean of its divisors is an integer number (239478150).

Almost surely, 2^478956299 is an apocalyptic number.

478956299 is a deficient number, since it is larger than the sum of its proper divisors (1).

478956299 is an equidigital number, since it uses as much as digits as its factorization.

478956299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 59.

The square root of 478956299 is about 21885.0702306390. The cubic root of 478956299 is about 782.4056231892.

The spelling of 478956299 in words is "four hundred seventy-eight million, nine hundred fifty-six thousand, two hundred ninety-nine".