474877889 has 2 divisors, whose sum is σ = 474877890. Its totient is φ = 474877888.

The previous prime is 474877829. The next prime is 474877901. The reversal of 474877889 is 988778474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300849025 + 174028864 = 17345^2 + 13192^2 .

It is a cyclic number.

It is not a de Polignac number, because 474877889 - 2²⁰ = 473829313 is a prime.

It is a super-2 number, since 2×474877889² = 451018018922192642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (474877829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237438944 + 237438945.

It is an arithmetic number, because the mean of its divisors is an integer number (237438945).

Almost surely, 2^474877889 is an apocalyptic number.

It is an amenable number.

474877889 is a deficient number, since it is larger than the sum of its proper divisors (1).

474877889 is an equidigital number, since it uses as much as digits as its factorization.

474877889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25288704, while the sum is 62.

The square root of 474877889 is about 21791.6931191681. The cubic root of 474877889 is about 780.1785088917.

The spelling of 474877889 in words is "four hundred seventy-four million, eight hundred seventy-seven thousand, eight hundred eighty-nine".