478830983 has 2 divisors, whose sum is σ = 478830984. Its totient is φ = 478830982.

The previous prime is 478830973. The next prime is 478831007. The reversal of 478830983 is 389038874.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 478830983 - 2¹⁰ = 478829959 is a prime.

It is a super-2 number, since 2×478830983² = 458558220561492578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478830973) 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, 239415491 + 239415492.

It is an arithmetic number, because the mean of its divisors is an integer number (239415492).

Almost surely, 2^478830983 is an apocalyptic number.

478830983 is a deficient number, since it is larger than the sum of its proper divisors (1).

478830983 is an equidigital number, since it uses as much as digits as its factorization.

478830983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 478830983 is about 21882.2069956392. The cubic root of 478830983 is about 782.3373800143.

The spelling of 478830983 in words is "four hundred seventy-eight million, eight hundred thirty thousand, nine hundred eighty-three".