127765475875 has 16 divisors (see below), whose sum is σ = 159488312256. Its totient is φ = 102188664000.

The previous prime is 127765475869. The next prime is 127765475881. The reversal of 127765475875 is 578574567721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (127765475869) and next prime (127765475881).

It is not a de Polignac number, because 127765475875 - 2⁵ = 127765475843 is a prime.

It is a super-3 number, since 3×127765475875³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432487 + ... + 665263.

It is an arithmetic number, because the mean of its divisors is an integer number (9968019516).

Almost surely, 2^127765475875 is an apocalyptic number.

127765475875 is a deficient number, since it is larger than the sum of its proper divisors (31722836381).

127765475875 is an equidigital number, since it uses as much as digits as its factorization.

127765475875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237183 (or 237173 counting only the distinct ones).

The product of its digits is 115248000, while the sum is 64.

The spelling of 127765475875 in words is "one hundred twenty-seven billion, seven hundred sixty-five million, four hundred seventy-five thousand, eight hundred seventy-five".