485512278 has 8 divisors (see below), whose sum is σ = 971024568. Its totient is φ = 161837424.

The previous prime is 485512273. The next prime is 485512309. The reversal of 485512278 is 872215584.

It is a sphenic number, since it is the product of 3 distinct primes.

485512278 is an admirable number.

It is a super-3 number, since 3×485512278³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485512273) 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, 40459351 + ... + 40459362.

It is an arithmetic number, because the mean of its divisors is an integer number (121378071).

Almost surely, 2^485512278 is an apocalyptic number.

485512278 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

485512278 is a wasteful number, since it uses less digits than its factorization.

485512278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80918718.

The product of its digits is 179200, while the sum is 42.

The square root of 485512278 is about 22034.3431488211. The cubic root of 485512278 is about 785.9593275123.

The spelling of 485512278 in words is "four hundred eighty-five million, five hundred twelve thousand, two hundred seventy-eight".