727876804666 has 32 divisors (see below), whose sum is σ = 1200676188096. Its totient is φ = 328187184000.

The previous prime is 727876804663. The next prime is 727876804691. The reversal of 727876804666 is 666408678727.

It is not an unprimeable number, because it can be changed into a prime (727876804663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6843856 + ... + 6949396.

It is an arithmetic number, because the mean of its divisors is an integer number (37521130878).

Almost surely, 2^727876804666 is an apocalyptic number.

727876804666 is a deficient number, since it is larger than the sum of its proper divisors (472799383430).

727876804666 is a wasteful number, since it uses less digits than its factorization.

727876804666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108078.

The product of its (nonzero) digits is 227598336, while the sum is 67.

The spelling of 727876804666 in words is "seven hundred twenty-seven billion, eight hundred seventy-six million, eight hundred four thousand, six hundred sixty-six".