27621728708 has 12 divisors (see below), whose sum is σ = 55243457472. Its totient is φ = 11837883720.

The previous prime is 27621728681. The next prime is 27621728731. The reversal of 27621728708 is 80782712672.

27621728708 is an admirable number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493245128 + ... + 493245183.

It is an arithmetic number, because the mean of its divisors is an integer number (4603621456).

Almost surely, 2^27621728708 is an apocalyptic number.

27621728708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27621728708 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.

27621728708 is a wasteful number, since it uses less digits than its factorization.

27621728708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986490322 (or 986490320 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 50.

The spelling of 27621728708 in words is "twenty-seven billion, six hundred twenty-one million, seven hundred twenty-eight thousand, seven hundred eight".