454220879 has 4 divisors (see below), whose sum is σ = 519109584. Its totient is φ = 389332176.

The previous prime is 454220863. The next prime is 454220887. The reversal of 454220879 is 978022454.

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 454220879 - 2⁴ = 454220863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454220839) 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, 32444342 + ... + 32444355.

It is an arithmetic number, because the mean of its divisors is an integer number (129777396).

Almost surely, 2^454220879 is an apocalyptic number.

454220879 is a deficient number, since it is larger than the sum of its proper divisors (64888705).

454220879 is an equidigital number, since it uses as much as digits as its factorization.

454220879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64888704.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 454220879 is about 21312.4583049446. The cubic root of 454220879 is about 768.6979056157.

The spelling of 454220879 in words is "four hundred fifty-four million, two hundred twenty thousand, eight hundred seventy-nine".