27791030477922 has 8 divisors (see below), whose sum is σ = 55582060955856. Its totient is φ = 9263676825972.

The previous prime is 27791030477911. The next prime is 27791030477963. The reversal of 27791030477922 is 22977403019772.

It is a sphenic number, since it is the product of 3 distinct primes.

27791030477922 is an admirable number.

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, 2315919206488 + ... + 2315919206499.

It is an arithmetic number, because the mean of its divisors is an integer number (6947757619482).

Almost surely, 2^{27791030477922} is an apocalyptic number.

27791030477922 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.

27791030477922 is a wasteful number, since it uses less digits than its factorization.

27791030477922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631838412992.

The product of its (nonzero) digits is 18670176, while the sum is 60.

The spelling of 27791030477922 in words is "twenty-seven trillion, seven hundred ninety-one billion, thirty million, four hundred seventy-seven thousand, nine hundred twenty-two".