80172454854 has 8 divisors (see below), whose sum is σ = 160344909720. Its totient is φ = 26724151616.

The previous prime is 80172454847. The next prime is 80172454867. The reversal of 80172454854 is 45845427108.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

80172454854 is an admirable number.

It is a super-2 number, since 2×80172454854² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6681037899 + ... + 6681037910.

It is an arithmetic number, because the mean of its divisors is an integer number (20043113715).

Almost surely, 2^80172454854 is an apocalyptic number.

80172454854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80172454854 is a wasteful number, since it uses less digits than its factorization.

80172454854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362075814.

The product of its (nonzero) digits is 1433600, while the sum is 48.

The spelling of 80172454854 in words is "eighty billion, one hundred seventy-two million, four hundred fifty-four thousand, eight hundred fifty-four".