27398908674 has 24 divisors (see below), whose sum is σ = 59392164780. Its totient is φ = 9128683008.

The previous prime is 27398908661. The next prime is 27398908679. The reversal of 27398908674 is 47680989372.

It can be written as a sum of positive squares in 2 ways, for example, as 24306992649 + 3091916025 = 155907^2 + 55605^2 .

It is not an unprimeable number, because it can be changed into a prime (27398908679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317679 + ... + 394610.

Almost surely, 2^27398908674 is an apocalyptic number.

27398908674 is an abundant number, since it is smaller than the sum of its proper divisors (31993256106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27398908674 is a wasteful number, since it uses less digits than its factorization.

27398908674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714434 (or 714431 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 27398908674 in words is "twenty-seven billion, three hundred ninety-eight million, nine hundred eight thousand, six hundred seventy-four".