27078293989 has 8 divisors (see below), whose sum is σ = 27285744032. Its totient is φ = 26871348240.

The previous prime is 27078293959. The next prime is 27078294071. The reversal of 27078293989 is 98939287072.

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

It is a cyclic number.

It is not a de Polignac number, because 27078293989 - 2¹¹ = 27078291941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27078293989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27078293929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17919 + ... + 233404.

It is an arithmetic number, because the mean of its divisors is an integer number (3410718004).

Almost surely, 2^27078293989 is an apocalyptic number.

It is an amenable number.

27078293989 is a deficient number, since it is larger than the sum of its proper divisors (207450043).

27078293989 is a wasteful number, since it uses less digits than its factorization.

27078293989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252147.

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 27078293989 in words is "twenty-seven billion, seventy-eight million, two hundred ninety-three thousand, nine hundred eighty-nine".