27500132398 has 4 divisors (see below), whose sum is σ = 41250198600. Its totient is φ = 13750066198.

The previous prime is 27500132329. The next prime is 27500132461. The reversal of 27500132398 is 89323100572.

27500132398 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27500132398.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6875033098 + ... + 6875033101.

It is an arithmetic number, because the mean of its divisors is an integer number (10312549650).

Almost surely, 2^27500132398 is an apocalyptic number.

27500132398 is a deficient number, since it is larger than the sum of its proper divisors (13750066202).

27500132398 is a wasteful number, since it uses less digits than its factorization.

27500132398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13750066201.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 27500132398 in words is "twenty-seven billion, five hundred million, one hundred thirty-two thousand, three hundred ninety-eight".