127835787354068 has 6 divisors (see below), whose sum is σ = 223712627869626. Its totient is φ = 63917893677032.

The previous prime is 127835787354061. The next prime is 127835787354073. The reversal of 127835787354068 is 860453787538721.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 123581419091524 + 4254368262544 = 11116718^2 + 2062612^2 .

It is a super-2 number, since 2×127835787354068² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127835787353986 and 127835787354004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127835787354061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15979473419255 + ... + 15979473419262.

It is an arithmetic number, because the mean of its divisors is an integer number (37285437978271).

Almost surely, 2^{127835787354068} is an apocalyptic number.

It is an amenable number.

127835787354068 is a deficient number, since it is larger than the sum of its proper divisors (95876840515558).

127835787354068 is a wasteful number, since it uses less digits than its factorization.

127835787354068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31958946838521 (or 31958946838519 counting only the distinct ones).

The product of its (nonzero) digits is 1896652800, while the sum is 74.

The spelling of 127835787354068 in words is "one hundred twenty-seven trillion, eight hundred thirty-five billion, seven hundred eighty-seven million, three hundred fifty-four thousand, sixty-eight".