127926345825 has 36 divisors (see below), whose sum is σ = 231890939280. Its totient is φ = 67405357920.

The previous prime is 127926345727. The next prime is 127926345829. The reversal of 127926345825 is 528543629721.

127926345825 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 26 + 34 + 582 + 5 = 666.

It is not a de Polignac number, because 127926345825 - 2¹¹ = 127926343777 is a prime.

It is a super-2 number, since 2×127926345825² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (127926345829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3406395 + ... + 3443744.

It is an arithmetic number, because the mean of its divisors is an integer number (6441414980).

Almost surely, 2^127926345825 is an apocalyptic number.

127926345825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127926345825 is a deficient number, since it is larger than the sum of its proper divisors (103964593455).

127926345825 is a wasteful number, since it uses less digits than its factorization.

127926345825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850238 (or 6850230 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 127926345825 in words is "one hundred twenty-seven billion, nine hundred twenty-six million, three hundred forty-five thousand, eight hundred twenty-five".