477280403 has 2 divisors, whose sum is σ = 477280404. Its totient is φ = 477280402.

The previous prime is 477280393. The next prime is 477280411. The reversal of 477280403 is 304082774.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 477280403 - 2⁶ = 477280339 is a prime.

It is not a weakly prime, because it can be changed into another prime (477280483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238640201 + 238640202.

It is an arithmetic number, because the mean of its divisors is an integer number (238640202).

Almost surely, 2^477280403 is an apocalyptic number.

477280403 is a deficient number, since it is larger than the sum of its proper divisors (1).

477280403 is an equidigital number, since it uses as much as digits as its factorization.

477280403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 477280403 is about 21846.7481104168. The cubic root of 477280403 is about 781.4919957913.

The spelling of 477280403 in words is "four hundred seventy-seven million, two hundred eighty thousand, four hundred three".