486881091 has 16 divisors (see below), whose sum is σ = 727927200. Its totient is φ = 321607584.

The previous prime is 486881081. The next prime is 486881093. The reversal of 486881091 is 190188684.

486881091 is a `hidden beast` number, since 486 + 8 + 81 + 0 + 91 = 666.

It is not a de Polignac number, because 486881091 - 2⁹ = 486880579 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (486881093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79776 + ... + 85661.

It is an arithmetic number, because the mean of its divisors is an integer number (45495450).

Almost surely, 2^486881091 is an apocalyptic number.

486881091 is a deficient number, since it is larger than the sum of its proper divisors (241046109).

486881091 is a wasteful number, since it uses less digits than its factorization.

486881091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165555 (or 165549 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 486881091 is about 22065.3821856772. The cubic root of 486881091 is about 786.6972572810.

The spelling of 486881091 in words is "four hundred eighty-six million, eight hundred eighty-one thousand, ninety-one".