127763964 has 36 divisors (see below), whose sum is σ = 324955176. Its totient is φ = 42324768.

The previous prime is 127763953. The next prime is 127763983. The reversal of 127763964 is 469367721.

127763964 is a `hidden beast` number, since 1 + 2 + 7 + 7 + 639 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5019 + ... + 16754.

Almost surely, 2^127763964 is an apocalyptic number.

It is an amenable number.

127763964 is an abundant number, since it is smaller than the sum of its proper divisors (197191212).

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

127763964 is a wasteful number, since it uses less digits than its factorization.

127763964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21946 (or 21941 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 127763964 is about 11303.2722695687. The cubic root of 127763964 is about 503.6584515108.

The spelling of 127763964 in words is "one hundred twenty-seven million, seven hundred sixty-three thousand, nine hundred sixty-four".