27980190969696 has 360 divisors, whose sum is σ = 100762005932280. Its totient is φ = 7573584872448.

The previous prime is 27980190969637. The next prime is 27980190969707. The reversal of 27980190969696 is 69696909108972.

27980190969696 is a `hidden beast` number, since 279 + 8 + 0 + 1 + 90 + 96 + 96 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3384285 + ... + 8210588.

It is an arithmetic number, because the mean of its divisors is an integer number (279894460923).

Almost surely, 2^{27980190969696} is an apocalyptic number.

It is an amenable number.

27980190969696 is an abundant number, since it is smaller than the sum of its proper divisors (72781814962584).

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

27980190969696 is a wasteful number, since it uses less digits than its factorization.

27980190969696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11594928 (or 11594904 counting only the distinct ones).

The product of its (nonzero) digits is 1428513408, while the sum is 81.

The spelling of 27980190969696 in words is "twenty-seven trillion, nine hundred eighty billion, one hundred ninety million, nine hundred sixty-nine thousand, six hundred ninety-six".