127789064 has 16 divisors (see below), whose sum is σ = 258035820. Its totient is φ = 58979520.

The previous prime is 127789043. The next prime is 127789073. The reversal of 127789064 is 460987721.

It can be written as a sum of positive squares in 2 ways, for example, as 105226564 + 22562500 = 10258^2 + 4750^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614267 + ... + 614474.

Almost surely, 2^127789064 is an apocalyptic number.

It is an amenable number.

127789064 is an abundant number, since it is smaller than the sum of its proper divisors (130246756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127789064 is a wasteful number, since it uses less digits than its factorization.

127789064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228760 (or 1228756 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 127789064 is about 11304.3825129903. The cubic root of 127789064 is about 503.6914315963.

The spelling of 127789064 in words is "one hundred twenty-seven million, seven hundred eighty-nine thousand, sixty-four".