485512871 has 12 divisors (see below), whose sum is σ = 524344392. Its totient is φ = 449248464.

The previous prime is 485512831. The next prime is 485512873. The reversal of 485512871 is 178215584.

It is a de Polignac number, because none of the positive numbers 2^k-485512871 is a prime.

It is a super-3 number, since 3×485512871³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485512873) 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, 116 + ... + 31161.

It is an arithmetic number, because the mean of its divisors is an integer number (43695366).

Almost surely, 2^485512871 is an apocalyptic number.

485512871 is a deficient number, since it is larger than the sum of its proper divisors (38831521).

485512871 is a wasteful number, since it uses less digits than its factorization.

485512871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31358 (or 31339 counting only the distinct ones).

The product of its digits is 89600, while the sum is 41.

The square root of 485512871 is about 22034.3566050838. The cubic root of 485512871 is about 785.9596474999.

The spelling of 485512871 in words is "four hundred eighty-five million, five hundred twelve thousand, eight hundred seventy-one".