27477794012 has 12 divisors (see below), whose sum is σ = 49637305536. Its totient is φ = 13295706720.

The previous prime is 27477794011. The next prime is 27477794017. The reversal of 27477794012 is 21049777472.

It is a super-2 number, since 2×27477794012² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 110797433 + ... + 110797680.

It is an arithmetic number, because the mean of its divisors is an integer number (4136442128).

Almost surely, 2^27477794012 is an apocalyptic number.

It is an amenable number.

27477794012 is a deficient number, since it is larger than the sum of its proper divisors (22159511524).

27477794012 is a wasteful number, since it uses less digits than its factorization.

27477794012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221595148 (or 221595146 counting only the distinct ones).

The product of its (nonzero) digits is 1382976, while the sum is 50.

The spelling of 27477794012 in words is "twenty-seven billion, four hundred seventy-seven million, seven hundred ninety-four thousand, twelve".