27777686102398 has 8 divisors (see below), whose sum is σ = 42349587008760. Its totient is φ = 13661157099480.

The previous prime is 27777686102389. The next prime is 27777686102401. The reversal of 27777686102398 is 89320168677772.

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

It is a self number, because there is not a number n which added to its sum of digits gives 27777686102398.

It is a congruent 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, 113842975708 + ... + 113842975951.

It is an arithmetic number, because the mean of its divisors is an integer number (5293698376095).

Almost surely, 2^{27777686102398} is an apocalyptic number.

27777686102398 is a deficient number, since it is larger than the sum of its proper divisors (14571900906362).

27777686102398 is a wasteful number, since it uses less digits than its factorization.

27777686102398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227685951722.

The product of its (nonzero) digits is 597445632, while the sum is 73.

The spelling of 27777686102398 in words is "twenty-seven trillion, seven hundred seventy-seven billion, six hundred eighty-six million, one hundred two thousand, three hundred ninety-eight".