69127978079 has 2 divisors, whose sum is σ = 69127978080. Its totient is φ = 69127978078.

The previous prime is 69127978057. The next prime is 69127978091. The reversal of 69127978079 is 97087972196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69127978079 - 2⁸ = 69127977823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69127978099) 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 as a sum of consecutive naturals, namely, 34563989039 + 34563989040.

It is an arithmetic number, because the mean of its divisors is an integer number (34563989040).

Almost surely, 2^69127978079 is an apocalyptic number.

69127978079 is a deficient number, since it is larger than the sum of its proper divisors (1).

69127978079 is an equidigital number, since it uses as much as digits as its factorization.

69127978079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24004512, while the sum is 65.

The spelling of 69127978079 in words is "sixty-nine billion, one hundred twenty-seven million, nine hundred seventy-eight thousand, seventy-nine".