80079999999997 has 2 divisors, whose sum is σ = 80079999999998. Its totient is φ = 80079999999996.

The previous prime is 80079999999983. The next prime is 80080000000009. The reversal of 80079999999997 is 79999999997008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73675081729561 + 6404918270436 = 8583419^2 + 2530794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80079999999997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80079999999896 and 80079999999905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80079999999497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40039999999998 + 40039999999999.

It is an arithmetic number, because the mean of its divisors is an integer number (40039999999999).

Almost surely, 2^{80079999999997} is an apocalyptic number.

It is an amenable number.

80079999999997 is a deficient number, since it is larger than the sum of its proper divisors (1).

80079999999997 is an equidigital number, since it uses as much as digits as its factorization.

80079999999997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151868831688, while the sum is 103.

The spelling of 80079999999997 in words is "eighty trillion, seventy-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-seven".