458880985 has 4 divisors (see below), whose sum is σ = 550657188. Its totient is φ = 367104784.

The previous prime is 458880977. The next prime is 458880991. The reversal of 458880985 is 589088854.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589088854 = 2 ⋅294544427.

It can be written as a sum of positive squares in 2 ways, for example, as 116186841 + 342694144 = 10779^2 + 18512^2 .

It is a cyclic number.

It is not a de Polignac number, because 458880985 - 2³ = 458880977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45888094 + ... + 45888103.

It is an arithmetic number, because the mean of its divisors is an integer number (137664297).

Almost surely, 2^458880985 is an apocalyptic number.

It is an amenable number.

458880985 is a deficient number, since it is larger than the sum of its proper divisors (91776203).

458880985 is an equidigital number, since it uses as much as digits as its factorization.

458880985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91776202.

The product of its (nonzero) digits is 3686400, while the sum is 55.

The square root of 458880985 is about 21421.5075333180. The cubic root of 458880985 is about 771.3178001753.

The spelling of 458880985 in words is "four hundred fifty-eight million, eight hundred eighty thousand, nine hundred eighty-five".