27951269216 has 48 divisors (see below), whose sum is σ = 59482609200. Its totient is φ = 12852576768.

The previous prime is 27951269207. The next prime is 27951269221. The reversal of 27951269216 is 61296215972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12986 + ... + 236793.

It is an arithmetic number, because the mean of its divisors is an integer number (1239221025).

Almost surely, 2^27951269216 is an apocalyptic number.

27951269216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27951269216 is an abundant number, since it is smaller than the sum of its proper divisors (31531339984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27951269216 is a wasteful number, since it uses less digits than its factorization.

27951269216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250071 (or 250063 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The spelling of 27951269216 in words is "twenty-seven billion, nine hundred fifty-one million, two hundred sixty-nine thousand, two hundred sixteen".