127864137254425 has 48 divisors (see below), whose sum is σ = 186296198155200. Its totient is φ = 85826940192000.

The previous prime is 127864137254401. The next prime is 127864137254471. The reversal of 127864137254425 is 524452731468721.

It is a happy number.

It is not a de Polignac number, because 127864137254425 - 2²⁵ = 127864103699993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23299351 + ... + 28259299.

It is an arithmetic number, because the mean of its divisors is an integer number (3881170794900).

Almost surely, 2^{127864137254425} is an apocalyptic number.

It is an amenable number.

127864137254425 is a deficient number, since it is larger than the sum of its proper divisors (58432060900775).

127864137254425 is a wasteful number, since it uses less digits than its factorization.

127864137254425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4967194 (or 4967189 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 61.

The spelling of 127864137254425 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, one hundred thirty-seven million, two hundred fifty-four thousand, four hundred twenty-five".