127872616 has 8 divisors (see below), whose sum is σ = 239761170. Its totient is φ = 63936304.

The previous prime is 127872611. The next prime is 127872631. The reversal of 127872616 is 616278721.

It can be written as a sum of positive squares in only one way, i.e., 69655716 + 58216900 = 8346^2 + 7630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (127872611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7992031 + ... + 7992046.

Almost surely, 2^127872616 is an apocalyptic number.

It is an amenable number.

127872616 is a deficient number, since it is larger than the sum of its proper divisors (111888554).

127872616 is a wasteful number, since it uses less digits than its factorization.

127872616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15984083 (or 15984079 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 127872616 is about 11308.0774670145. The cubic root of 127872616 is about 503.8011834445.

The spelling of 127872616 in words is "one hundred twenty-seven million, eight hundred seventy-two thousand, six hundred sixteen".