454985807 has 4 divisors (see below), whose sum is σ = 481749696. Its totient is φ = 428221920.

The previous prime is 454985759. The next prime is 454985819. The reversal of 454985807 is 708589454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 454985807 - 2⁶ = 454985743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454985887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13381919 + ... + 13381952.

It is an arithmetic number, because the mean of its divisors is an integer number (120437424).

Almost surely, 2^454985807 is an apocalyptic number.

454985807 is a deficient number, since it is larger than the sum of its proper divisors (26763889).

454985807 is a wasteful number, since it uses less digits than its factorization.

454985807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26763888.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 454985807 is about 21330.3963160556. The cubic root of 454985807 is about 769.1291706788.

The spelling of 454985807 in words is "four hundred fifty-four million, nine hundred eighty-five thousand, eight hundred seven".