27914215920 has 80 divisors (see below), whose sum is σ = 86766342432. Its totient is φ = 7423810560.

The previous prime is 27914215909. The next prime is 27914215969. The reversal of 27914215920 is 2951241972.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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, 66391 + ... + 245430.

Almost surely, 2^27914215920 is an apocalyptic number.

27914215920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27914215920 is an abundant number, since it is smaller than the sum of its proper divisors (58852126512).

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

27914215920 is a wasteful number, since it uses less digits than its factorization.

27914215920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312210 (or 312204 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 27914215920 in words is "twenty-seven billion, nine hundred fourteen million, two hundred fifteen thousand, nine hundred twenty".