127859880625 has 15 divisors (see below), whose sum is σ = 159784878253. Its totient is φ = 102280753000.

The previous prime is 127859880623. The next prime is 127859880647. The reversal of 127859880625 is 526088958721.

The square root of 127859880625 is 357575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 10024214641 + 117835665984 = 100121^2 + 343272^2 .

It is not a de Polignac number, because 127859880625 - 2¹ = 127859880623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127859880623) 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 14 ways as a sum of consecutive naturals, for example, 8932224 + ... + 8946526.

Almost surely, 2^127859880625 is an apocalyptic number.

127859880625 is the 357575-th square number.

127859880625 is the 178788-th centered octagonal number.

It is an amenable number.

127859880625 is a deficient number, since it is larger than the sum of its proper divisors (31924997628).

127859880625 is an frugal number, since it uses more digits than its factorization.

127859880625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28626 (or 14308 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 61.

The spelling of 127859880625 in words is "one hundred twenty-seven billion, eight hundred fifty-nine million, eight hundred eighty thousand, six hundred twenty-five".