127790910928 has 10 divisors (see below), whose sum is σ = 247594889954. Its totient is φ = 63895455456.

The previous prime is 127790910913. The next prime is 127790910941. The reversal of 127790910928 is 829019097721.

It can be written as a sum of positive squares in only one way, i.e., 80263422864 + 47527488064 = 283308^2 + 218008^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3993465951 + ... + 3993465982.

Almost surely, 2^127790910928 is an apocalyptic number.

It is an amenable number.

127790910928 is a deficient number, since it is larger than the sum of its proper divisors (119803979026).

127790910928 is an equidigital number, since it uses as much as digits as its factorization.

127790910928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986931941 (or 7986931935 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 55.

The spelling of 127790910928 in words is "one hundred twenty-seven billion, seven hundred ninety million, nine hundred ten thousand, nine hundred twenty-eight".