27737431377928 has 64 divisors (see below), whose sum is σ = 53760527573760. Its totient is φ = 13408510542336.

The previous prime is 27737431377919. The next prime is 27737431377941. The reversal of 27737431377928 is 82977313473772.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288844450 + ... + 288940462.

It is an arithmetic number, because the mean of its divisors is an integer number (840008243340).

Almost surely, 2^{27737431377928} is an apocalyptic number.

It is an amenable number.

27737431377928 is a deficient number, since it is larger than the sum of its proper divisors (26023096195832).

27737431377928 is a wasteful number, since it uses less digits than its factorization.

27737431377928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105406 (or 105402 counting only the distinct ones).

The product of its digits is 522764928, while the sum is 70.

The spelling of 27737431377928 in words is "twenty-seven trillion, seven hundred thirty-seven billion, four hundred thirty-one million, three hundred seventy-seven thousand, nine hundred twenty-eight".