27779097633168 has 160 divisors (see below), whose sum is σ = 86752660617216. Its totient is φ = 7487805625344.

The previous prime is 27779097633139. The next prime is 27779097633239. The reversal of 27779097633168 is 86133679097772.

It is a self number, because there is not a number n which added to its sum of digits gives 27779097633168.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24056430 + ... + 25184717.

Almost surely, 2^{27779097633168} is an apocalyptic number.

27779097633168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27779097633168 is an abundant number, since it is smaller than the sum of its proper divisors (58973562984048).

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

27779097633168 is a wasteful number, since it uses less digits than its factorization.

27779097633168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49241261 (or 49241255 counting only the distinct ones).

The product of its (nonzero) digits is 1008189504, while the sum is 75.

The spelling of 27779097633168 in words is "twenty-seven trillion, seven hundred seventy-nine billion, ninety-seven million, six hundred thirty-three thousand, one hundred sixty-eight".