27806087102 has 4 divisors (see below), whose sum is σ = 41709130656. Its totient is φ = 13903043550.

The previous prime is 27806087083. The next prime is 27806087123. The reversal of 27806087102 is 20178060872.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27806087102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951521774 + ... + 6951521777.

It is an arithmetic number, because the mean of its divisors is an integer number (10427282664).

Almost surely, 2^27806087102 is an apocalyptic number.

27806087102 is a deficient number, since it is larger than the sum of its proper divisors (13903043554).

27806087102 is a wasteful number, since it uses less digits than its factorization.

27806087102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13903043553.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 27806087102 in words is "twenty-seven billion, eight hundred six million, eighty-seven thousand, one hundred two".