27921101362 has 64 divisors (see below), whose sum is σ = 52802740224. Its totient is φ = 10756463040.

The previous prime is 27921101347. The next prime is 27921101381. The reversal of 27921101362 is 26310112972.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19620583 + ... + 19622005.

It is an arithmetic number, because the mean of its divisors is an integer number (825042816).

Almost surely, 2^27921101362 is an apocalyptic number.

27921101362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27921101362 is a deficient number, since it is larger than the sum of its proper divisors (24881638862).

27921101362 is a wasteful number, since it uses less digits than its factorization.

27921101362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783.

The product of its (nonzero) digits is 9072, while the sum is 34.

The spelling of 27921101362 in words is "twenty-seven billion, nine hundred twenty-one million, one hundred one thousand, three hundred sixty-two".