79012008036869 has 2 divisors, whose sum is σ = 79012008036870. Its totient is φ = 79012008036868.

The previous prime is 79012008036781. The next prime is 79012008036937. The reversal of 79012008036869 is 96863080021097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78923448228769 + 88559808100 = 8883887^2 + 297590^2 .

It is a cyclic number.

It is not a de Polignac number, because 79012008036869 - 2²⁰ = 79012006988293 is a prime.

It is a super-2 number, since 2×79012008036869² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79012008030869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39506004018434 + 39506004018435.

It is an arithmetic number, because the mean of its divisors is an integer number (39506004018435).

Almost surely, 2^{79012008036869} is an apocalyptic number.

It is an amenable number.

79012008036869 is a deficient number, since it is larger than the sum of its proper divisors (1).

79012008036869 is an equidigital number, since it uses as much as digits as its factorization.

79012008036869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 79012008036869 in words is "seventy-nine trillion, twelve billion, eight million, thirty-six thousand, eight hundred sixty-nine".