27822573483978 has 96 divisors (see below), whose sum is σ = 70427958560064. Its totient is φ = 7262173836288.

The previous prime is 27822573483961. The next prime is 27822573483997. The reversal of 27822573483978 is 87938437522872.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37152900 + ... + 37894367.

It is an arithmetic number, because the mean of its divisors is an integer number (733624568334).

Almost surely, 2^{27822573483978} is an apocalyptic number.

27822573483978 is an abundant number, since it is smaller than the sum of its proper divisors (42605385076086).

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

27822573483978 is a wasteful number, since it uses less digits than its factorization.

27822573483978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75047396 (or 75047389 counting only the distinct ones).

The product of its digits is 2275983360, while the sum is 75.

The spelling of 27822573483978 in words is "twenty-seven trillion, eight hundred twenty-two billion, five hundred seventy-three million, four hundred eighty-three thousand, nine hundred seventy-eight".