485918811 has 32 divisors (see below), whose sum is σ = 827819520. Its totient is φ = 275946912.

The previous prime is 485918789. The next prime is 485918843. The reversal of 485918811 is 118819584.

485918811 is a `hidden beast` number, since 48 + 591 + 8 + 8 + 11 = 666.

It is not a de Polignac number, because 485918811 - 2⁶ = 485918747 is a prime.

It is a super-2 number, since 2×485918811² = 472234181767307442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (485918311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22921 + ... + 38693.

It is an arithmetic number, because the mean of its divisors is an integer number (25869360).

Almost surely, 2^485918811 is an apocalyptic number.

485918811 is a deficient number, since it is larger than the sum of its proper divisors (341900709).

485918811 is a wasteful number, since it uses less digits than its factorization.

485918811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15952 (or 15946 counting only the distinct ones).

The product of its digits is 92160, while the sum is 45.

The square root of 485918811 is about 22043.5662042239. The cubic root of 485918811 is about 786.1786348835.

The spelling of 485918811 in words is "four hundred eighty-five million, nine hundred eighteen thousand, eight hundred eleven".