27477794013 has 8 divisors (see below), whose sum is σ = 36640068288. Its totient is φ = 18317024544.

The previous prime is 27477794011. The next prime is 27477794017. The reversal of 27477794013 is 31049777472.

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

It is not a de Polignac number, because 27477794013 - 2¹ = 27477794011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27477794011) 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, 332881 + ... + 407142.

It is an arithmetic number, because the mean of its divisors is an integer number (4580008536).

Almost surely, 2^27477794013 is an apocalyptic number.

It is an amenable number.

27477794013 is a deficient number, since it is larger than the sum of its proper divisors (9162274275).

27477794013 is a wasteful number, since it uses less digits than its factorization.

27477794013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752403.

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 27477794013 in words is "twenty-seven billion, four hundred seventy-seven million, seven hundred ninety-four thousand, thirteen".