80172292079063 has 2 divisors, whose sum is σ = 80172292079064. Its totient is φ = 80172292079062.

The previous prime is 80172292079003. The next prime is 80172292079093. The reversal of 80172292079063 is 36097029227108.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80172292079063 - 2⁴² = 75774245567959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80172292079003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40086146039531 + 40086146039532.

It is an arithmetic number, because the mean of its divisors is an integer number (40086146039532).

Almost surely, 2^{80172292079063} is an apocalyptic number.

80172292079063 is a deficient number, since it is larger than the sum of its proper divisors (1).

80172292079063 is an equidigital number, since it uses as much as digits as its factorization.

80172292079063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 80172292079063 in words is "eighty trillion, one hundred seventy-two billion, two hundred ninety-two million, seventy-nine thousand, sixty-three".