127855297471497 has 16 divisors (see below), whose sum is σ = 171885951124800. Its totient is φ = 84531594513600.

The previous prime is 127855297471463. The next prime is 127855297471543. The reversal of 127855297471497 is 794174792558721.

It is not a de Polignac number, because 127855297471497 - 2¹⁰ = 127855297470473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127855297471457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104404654 + ... + 105622167.

It is an arithmetic number, because the mean of its divisors is an integer number (10742871945300).

Almost surely, 2^{127855297471497} is an apocalyptic number.

It is an amenable number.

127855297471497 is a deficient number, since it is larger than the sum of its proper divisors (44030653653303).

127855297471497 is a wasteful number, since it uses less digits than its factorization.

127855297471497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210028504.

The product of its digits is 2489356800, while the sum is 78.

The spelling of 127855297471497 in words is "one hundred twenty-seven trillion, eight hundred fifty-five billion, two hundred ninety-seven million, four hundred seventy-one thousand, four hundred ninety-seven".