454977997 has 8 divisors (see below), whose sum is σ = 458881920. Its totient is φ = 451083360.

The previous prime is 454977983. The next prime is 454978031. The reversal of 454977997 is 799779454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454977997 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 (454977947) 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 in 7 ways as a sum of consecutive naturals, for example, 124833 + ... + 128425.

It is an arithmetic number, because the mean of its divisors is an integer number (57360240).

Almost surely, 2^454977997 is an apocalyptic number.

It is an amenable number.

454977997 is a deficient number, since it is larger than the sum of its proper divisors (3903923).

454977997 is a wasteful number, since it uses less digits than its factorization.

454977997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643.

The product of its digits is 20003760, while the sum is 61.

The square root of 454977997 is about 21330.2132431910. The cubic root of 454977997 is about 769.1247698579.

The spelling of 454977997 in words is "four hundred fifty-four million, nine hundred seventy-seven thousand, nine hundred ninety-seven".