127264810786631 has 16 divisors (see below), whose sum is σ = 152131433126400. Its totient is φ = 104092310829408.

The previous prime is 127264810786601. The next prime is 127264810786649. The reversal of 127264810786631 is 136687018462721.

It is a cyclic number.

It is not a de Polignac number, because 127264810786631 - 2³⁸ = 126989932879687 is a prime.

It is a super-2 number, since 2×127264810786631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127264810786601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943207796 + ... + 943342713.

It is an arithmetic number, because the mean of its divisors is an integer number (9508214570400).

Almost surely, 2^{127264810786631} is an apocalyptic number.

127264810786631 is a deficient number, since it is larger than the sum of its proper divisors (24866622339769).

127264810786631 is a wasteful number, since it uses less digits than its factorization.

127264810786631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886550958.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 127264810786631 in words is "one hundred twenty-seven trillion, two hundred sixty-four billion, eight hundred ten million, seven hundred eighty-six thousand, six hundred thirty-one".