127667548007 has 4 divisors (see below), whose sum is σ = 129205711320. Its totient is φ = 126129384696.

The previous prime is 127667547979. The next prime is 127667548013. The reversal of 127667548007 is 700845766721.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127667548007 - 2⁸ = 127667547751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127667548007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127667548037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769081532 + ... + 769081697.

It is an arithmetic number, because the mean of its divisors is an integer number (32301427830).

Almost surely, 2^127667548007 is an apocalyptic number.

127667548007 is a deficient number, since it is larger than the sum of its proper divisors (1538163313).

127667548007 is an equidigital number, since it uses as much as digits as its factorization.

127667548007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538163312.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 127667548007 in words is "one hundred twenty-seven billion, six hundred sixty-seven million, five hundred forty-eight thousand, seven".