127764628 has 12 divisors (see below), whose sum is σ = 224058240. Its totient is φ = 63747992.

The previous prime is 127764601. The next prime is 127764643. The reversal of 127764628 is 826467721.

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 in 3 ways as a sum of consecutive naturals, for example, 31426 + ... + 35257.

It is an arithmetic number, because the mean of its divisors is an integer number (18671520).

Almost surely, 2^127764628 is an apocalyptic number.

It is an amenable number.

127764628 is a deficient number, since it is larger than the sum of its proper divisors (96293612).

127764628 is a wasteful number, since it uses less digits than its factorization.

127764628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67166 (or 67164 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 127764628 is about 11303.3016415559. The cubic root of 127764628 is about 503.6593240277.

The spelling of 127764628 in words is "one hundred twenty-seven million, seven hundred sixty-four thousand, six hundred twenty-eight".