127697452215900 has 72 divisors (see below), whose sum is σ = 422252908667520. Its totient is φ = 29187989077440.

The previous prime is 127697452215841. The next prime is 127697452216013. The reversal of 127697452215900 is 9512254796721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30404153190 + ... + 30404157389.

Almost surely, 2^{127697452215900} is an apocalyptic number.

127697452215900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127697452215900 is an abundant number, since it is smaller than the sum of its proper divisors (294555456451620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127697452215900 is a wasteful number, since it uses less digits than its factorization.

127697452215900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60808310603 (or 60808310596 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 60.

The spelling of 127697452215900 in words is "one hundred twenty-seven trillion, six hundred ninety-seven billion, four hundred fifty-two million, two hundred fifteen thousand, nine hundred".