127752752650 has 12 divisors (see below), whose sum is σ = 237620120022. Its totient is φ = 51101101040.

The previous prime is 127752752597. The next prime is 127752752731. The reversal of 127752752650 is 56257257721.

It can be written as a sum of positive squares in 3 ways, for example, as 109093465849 + 18659286801 = 330293^2 + 136599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127752752594 and 127752752603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1277527477 + ... + 1277527576.

Almost surely, 2^127752752650 is an apocalyptic number.

127752752650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127752752650 is a deficient number, since it is larger than the sum of its proper divisors (109867367372).

127752752650 is a wasteful number, since it uses less digits than its factorization.

127752752650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555055065 (or 2555055060 counting only the distinct ones).

The product of its (nonzero) digits is 2058000, while the sum is 49.

The spelling of 127752752650 in words is "one hundred twenty-seven billion, seven hundred fifty-two million, seven hundred fifty-two thousand, six hundred fifty".