450538877 has 2 divisors, whose sum is σ = 450538878. Its totient is φ = 450538876.

The previous prime is 450538871. The next prime is 450538889. The reversal of 450538877 is 778835054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 330548761 + 119990116 = 18181^2 + 10954^2 .

It is a cyclic number.

It is not a de Polignac number, because 450538877 - 2⁴ = 450538861 is a prime.

It is a super-2 number, since 2×450538877² = 405970559376842258, which contains 22 as substring.

It is equal to p_23879981 and since 450538877 and 23879981 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450538871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225269438 + 225269439.

It is an arithmetic number, because the mean of its divisors is an integer number (225269439).

Almost surely, 2^450538877 is an apocalyptic number.

It is an amenable number.

450538877 is a deficient number, since it is larger than the sum of its proper divisors (1).

450538877 is an equidigital number, since it uses as much as digits as its factorization.

450538877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 450538877 is about 21225.9010880575. The cubic root of 450538877 is about 766.6151966917.

The spelling of 450538877 in words is "four hundred fifty million, five hundred thirty-eight thousand, eight hundred seventy-seven".