27128358137 has 8 divisors (see below), whose sum is σ = 29477333760. Its totient is φ = 24871499280.

The previous prime is 27128358097. The next prime is 27128358143. The reversal of 27128358137 is 73185382172.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27128358137 is a prime.

It is a super-2 number, since 2×27128358137² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27128358091 and 27128358100.

It is not an unprimeable number, because it can be changed into a prime (27128358167) 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, 23028578 + ... + 23029755.

It is an arithmetic number, because the mean of its divisors is an integer number (3684666720).

Almost surely, 2^27128358137 is an apocalyptic number.

It is an amenable number.

27128358137 is a deficient number, since it is larger than the sum of its proper divisors (2348975623).

27128358137 is a wasteful number, since it uses less digits than its factorization.

27128358137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46058383.

The product of its digits is 564480, while the sum is 47.

The spelling of 27128358137 in words is "twenty-seven billion, one hundred twenty-eight million, three hundred fifty-eight thousand, one hundred thirty-seven".