127687164 has 24 divisors (see below), whose sum is σ = 325022208. Its totient is φ = 38693040.

The previous prime is 127687159. The next prime is 127687169. The reversal of 127687164 is 461786721.

It is an interprime number because it is at equal distance from previous prime (127687159) and next prime (127687169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127687169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483532 + ... + 483795.

It is an arithmetic number, because the mean of its divisors is an integer number (13542592).

Almost surely, 2^127687164 is an apocalyptic number.

It is an amenable number.

127687164 is an abundant number, since it is smaller than the sum of its proper divisors (197335044).

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

127687164 is a wasteful number, since it uses less digits than its factorization.

127687164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967345 (or 967343 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 127687164 is about 11299.8745125776. The cubic root of 127687164 is about 503.5575134974.

The spelling of 127687164 in words is "one hundred twenty-seven million, six hundred eighty-seven thousand, one hundred sixty-four".