27077969605 has 16 divisors (see below), whose sum is σ = 34313065920. Its totient is φ = 20456661888.

The previous prime is 27077969591. The next prime is 27077969623. The reversal of 27077969605 is 50696977072.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27077969605 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27077969605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425587 + ... + 485056.

It is an arithmetic number, because the mean of its divisors is an integer number (2144566620).

Almost surely, 2^27077969605 is an apocalyptic number.

It is an amenable number.

27077969605 is a deficient number, since it is larger than the sum of its proper divisors (7235096315).

27077969605 is a wasteful number, since it uses less digits than its factorization.

27077969605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910980.

The product of its (nonzero) digits is 10001880, while the sum is 58.

The spelling of 27077969605 in words is "twenty-seven billion, seventy-seven million, nine hundred sixty-nine thousand, six hundred five".