80172292079085 has 16 divisors (see below), whose sum is σ = 129092709797376. Its totient is φ = 42486208285248.

The previous prime is 80172292079063. The next prime is 80172292079093. The reversal of 80172292079085 is 58097029227108.

It is not a de Polignac number, because 80172292079085 - 2¹² = 80172292074989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17021715709 + ... + 17021720418.

It is an arithmetic number, because the mean of its divisors is an integer number (8068294362336).

Almost surely, 2^{80172292079085} is an apocalyptic number.

It is an amenable number.

80172292079085 is a deficient number, since it is larger than the sum of its proper divisors (48920417718291).

80172292079085 is a wasteful number, since it uses less digits than its factorization.

80172292079085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34043436292.

The product of its (nonzero) digits is 10160640, while the sum is 60.

The spelling of 80172292079085 in words is "eighty trillion, one hundred seventy-two billion, two hundred ninety-two million, seventy-nine thousand, eighty-five".