127813229397 has 48 divisors (see below), whose sum is σ = 220933915200. Its totient is φ = 72815228640.

The previous prime is 127813229353. The next prime is 127813229429. The reversal of 127813229397 is 793922318721.

It is a happy number.

127813229397 is a `hidden beast` number, since 1 + 27 + 8 + 1 + 3 + 229 + 397 = 666.

It is not a de Polignac number, because 127813229397 - 2¹⁵ = 127813196629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127813229347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291979 + ... + 583847.

It is an arithmetic number, because the mean of its divisors is an integer number (4602789900).

Almost surely, 2^127813229397 is an apocalyptic number.

It is an amenable number.

127813229397 is a deficient number, since it is larger than the sum of its proper divisors (93120685803).

127813229397 is a wasteful number, since it uses less digits than its factorization.

127813229397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292223 (or 292210 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The spelling of 127813229397 in words is "one hundred twenty-seven billion, eight hundred thirteen million, two hundred twenty-nine thousand, three hundred ninety-seven".