127685516 has 24 divisors (see below), whose sum is σ = 255650976. Its totient is φ = 54662400.

The previous prime is 127685501. The next prime is 127685527. The reversal of 127685516 is 615586721.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31730 + ... + 35526.

It is an arithmetic number, because the mean of its divisors is an integer number (10652124).

Almost surely, 2^127685516 is an apocalyptic number.

It is an amenable number.

127685516 is an abundant number, since it is smaller than the sum of its proper divisors (127965460).

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

127685516 is a wasteful number, since it uses less digits than its factorization.

127685516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009 (or 5007 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 127685516 is about 11299.8015911785. The cubic root of 127685516 is about 503.5553470923. Note that the first 3 decimals are identical.

The spelling of 127685516 in words is "one hundred twenty-seven million, six hundred eighty-five thousand, five hundred sixteen".