157893127289 has 6 divisors (see below), whose sum is σ = 167727301614. Its totient is φ = 148605296000.

The previous prime is 157893127283. The next prime is 157893127291. The reversal of 157893127289 is 982721398751.

157893127289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 102853621264 + 55039506025 = 320708^2 + 234605^2 .

It is a de Polignac number, because none of the positive numbers 2^k-157893127289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157893127283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273171212 + ... + 273171789.

It is an arithmetic number, because the mean of its divisors is an integer number (27954550269).

Almost surely, 2^157893127289 is an apocalyptic number.

It is an amenable number.

157893127289 is a deficient number, since it is larger than the sum of its proper divisors (9834174325).

157893127289 is an equidigital number, since it uses as much as digits as its factorization.

157893127289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546343035 (or 546343018 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 62.

The spelling of 157893127289 in words is "one hundred fifty-seven billion, eight hundred ninety-three million, one hundred twenty-seven thousand, two hundred eighty-nine".