455688847 has 2 divisors, whose sum is σ = 455688848. Its totient is φ = 455688846.

The previous prime is 455688839. The next prime is 455688899. The reversal of 455688847 is 748886554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455688847 - 2³ = 455688839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455688817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227844423 + 227844424.

It is an arithmetic number, because the mean of its divisors is an integer number (227844424).

Almost surely, 2^455688847 is an apocalyptic number.

455688847 is a deficient number, since it is larger than the sum of its proper divisors (1).

455688847 is an equidigital number, since it uses as much as digits as its factorization.

455688847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8601600, while the sum is 55.

The square root of 455688847 is about 21346.8697236855. The cubic root of 455688847 is about 769.5251173164.

The spelling of 455688847 in words is "four hundred fifty-five million, six hundred eighty-eight thousand, eight hundred forty-seven".