477897983 has 2 divisors, whose sum is σ = 477897984. Its totient is φ = 477897982.

The previous prime is 477897961. The next prime is 477898007. The reversal of 477897983 is 389798774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 477897983 - 2¹⁰ = 477896959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (477897923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238948991 + 238948992.

It is an arithmetic number, because the mean of its divisors is an integer number (238948992).

Almost surely, 2^477897983 is an apocalyptic number.

477897983 is a deficient number, since it is larger than the sum of its proper divisors (1).

477897983 is an equidigital number, since it uses as much as digits as its factorization.

477897983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21337344, while the sum is 62.

The square root of 477897983 is about 21860.8779100932. The cubic root of 477897983 is about 781.8289226826.

The spelling of 477897983 in words is "four hundred seventy-seven million, eight hundred ninety-seven thousand, nine hundred eighty-three".