127652516639 has 8 divisors (see below), whose sum is σ = 136872394560. Its totient is φ = 118622739456.

The previous prime is 127652516623. The next prime is 127652516647. The reversal of 127652516639 is 936615256721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127652516639 - 2⁴ = 127652516623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127652516839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47523794 + ... + 47526479.

It is an arithmetic number, because the mean of its divisors is an integer number (17109049320).

Almost surely, 2^127652516639 is an apocalyptic number.

127652516639 is a deficient number, since it is larger than the sum of its proper divisors (9219877921).

127652516639 is an equidigital number, since it uses as much as digits as its factorization.

127652516639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95050369.

The product of its digits is 4082400, while the sum is 53.

The spelling of 127652516639 in words is "one hundred twenty-seven billion, six hundred fifty-two million, five hundred sixteen thousand, six hundred thirty-nine".