454881487 has 2 divisors, whose sum is σ = 454881488. Its totient is φ = 454881486.

The previous prime is 454881467. The next prime is 454881491. The reversal of 454881487 is 784188454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454881487 - 2¹⁹ = 454357199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454881487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454881407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227440743 + 227440744.

It is an arithmetic number, because the mean of its divisors is an integer number (227440744).

Almost surely, 2^454881487 is an apocalyptic number.

454881487 is a deficient number, since it is larger than the sum of its proper divisors (1).

454881487 is an equidigital number, since it uses as much as digits as its factorization.

454881487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1146880, while the sum is 49.

The square root of 454881487 is about 21327.9508392157. The cubic root of 454881487 is about 769.0703837256.

The spelling of 454881487 in words is "four hundred fifty-four million, eight hundred eighty-one thousand, four hundred eighty-seven".