127637652764 has 48 divisors (see below), whose sum is σ = 225575992320. Its totient is φ = 63191905920.

The previous prime is 127637652761. The next prime is 127637652787. The reversal of 127637652764 is 467256736721.

127637652764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×127637652764⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127637652761) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 198503027 + ... + 198503669.

It is an arithmetic number, because the mean of its divisors is an integer number (4699499840).

Almost surely, 2^127637652764 is an apocalyptic number.

It is an amenable number.

127637652764 is a deficient number, since it is larger than the sum of its proper divisors (97938339556).

127637652764 is a wasteful number, since it uses less digits than its factorization.

127637652764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770 (or 1768 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 56.

The spelling of 127637652764 in words is "one hundred twenty-seven billion, six hundred thirty-seven million, six hundred fifty-two thousand, seven hundred sixty-four".