481577866 has 64 divisors (see below), whose sum is σ = 931553280. Its totient is φ = 181258560.

The previous prime is 481577849. The next prime is 481577891. The reversal of 481577866 is 668775184.

It is a super-2 number, since 2×481577866² = 463834482042227912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1270465 + ... + 1270843.

It is an arithmetic number, because the mean of its divisors is an integer number (14555520).

Almost surely, 2^481577866 is an apocalyptic number.

481577866 is a deficient number, since it is larger than the sum of its proper divisors (449975414).

481577866 is a wasteful number, since it uses less digits than its factorization.

481577866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659.

The product of its digits is 2257920, while the sum is 52.

The square root of 481577866 is about 21944.8824558255. The cubic root of 481577866 is about 783.8305255035.

The spelling of 481577866 in words is "four hundred eighty-one million, five hundred seventy-seven thousand, eight hundred sixty-six".