485178885 has 24 divisors (see below), whose sum is σ = 858873600. Its totient is φ = 253255392.

The previous prime is 485178877. The next prime is 485178893. The reversal of 485178885 is 588871584.

485178885 is a `hidden beast` number, since 48 + 517 + 8 + 8 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (485178877) and next prime (485178893).

It is not a de Polignac number, because 485178885 - 2³ = 485178877 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112585 + ... + 116814.

It is an arithmetic number, because the mean of its divisors is an integer number (35786400).

Almost surely, 2^485178885 is an apocalyptic number.

485178885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

485178885 is a deficient number, since it is larger than the sum of its proper divisors (373694715).

485178885 is a wasteful number, since it uses less digits than its factorization.

485178885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229457 (or 229454 counting only the distinct ones).

The product of its digits is 2867200, while the sum is 54.

The square root of 485178885 is about 22026.7765458317. The cubic root of 485178885 is about 785.7793846967.

The spelling of 485178885 in words is "four hundred eighty-five million, one hundred seventy-eight thousand, eight hundred eighty-five".