127835100255497 has 4 divisors (see below), whose sum is σ = 129271449696660. Its totient is φ = 126398750814336.

The previous prime is 127835100255491. The next prime is 127835100255547. The reversal of 127835100255497 is 794552001538721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58367476099321 + 69467624156176 = 7639861^2 + 8334724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127835100255497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127835100255491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718174720448 + ... + 718174720625.

It is an arithmetic number, because the mean of its divisors is an integer number (32317862424165).

Almost surely, 2^{127835100255497} is an apocalyptic number.

It is an amenable number.

127835100255497 is a deficient number, since it is larger than the sum of its proper divisors (1436349441163).

127835100255497 is an equidigital number, since it uses as much as digits as its factorization.

127835100255497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436349441162.

The product of its (nonzero) digits is 21168000, while the sum is 59.

The spelling of 127835100255497 in words is "one hundred twenty-seven trillion, eight hundred thirty-five billion, one hundred million, two hundred fifty-five thousand, four hundred ninety-seven".