127377616 has 10 divisors (see below), whose sum is σ = 246794162. Its totient is φ = 63688800.

The previous prime is 127377589. The next prime is 127377631. The reversal of 127377616 is 616773721.

It can be written as a sum of positive squares in only one way, i.e., 99920016 + 27457600 = 9996^2 + 5240^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3980535 + ... + 3980566.

Almost surely, 2^127377616 is an apocalyptic number.

127377616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

127377616 is a deficient number, since it is larger than the sum of its proper divisors (119416546).

127377616 is an equidigital number, since it uses as much as digits as its factorization.

127377616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961109 (or 7961103 counting only the distinct ones).

The product of its digits is 74088, while the sum is 40.

The square root of 127377616 is about 11286.1692349530. The cubic root of 127377616 is about 503.1502646470.

The spelling of 127377616 in words is "one hundred twenty-seven million, three hundred seventy-seven thousand, six hundred sixteen".