485877189 has 12 divisors (see below), whose sum is σ = 753605664. Its totient is φ = 277644024.

The previous prime is 485877181. The next prime is 485877191. The reversal of 485877189 is 981778584.

It is not a de Polignac number, because 485877189 - 2³ = 485877181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485877181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1652497 + ... + 1652790.

It is an arithmetic number, because the mean of its divisors is an integer number (62800472).

Almost surely, 2^485877189 is an apocalyptic number.

485877189 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

485877189 is a deficient number, since it is larger than the sum of its proper divisors (267728475).

485877189 is a wasteful number, since it uses less digits than its factorization.

485877189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305304 (or 3305297 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 57.

The square root of 485877189 is about 22042.6220990154. The cubic root of 485877189 is about 786.1561871956.

The spelling of 485877189 in words is "four hundred eighty-five million, eight hundred seventy-seven thousand, one hundred eighty-nine".