79054042171 has 32 divisors (see below), whose sum is σ = 87976706048. Its totient is φ = 70573265280.

The previous prime is 79054042127. The next prime is 79054042213. The reversal of 79054042171 is 17124045097.

It is a cyclic number.

It is not a de Polignac number, because 79054042171 - 2⁹ = 79054041659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79054042271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53740966 + ... + 53742436.

It is an arithmetic number, because the mean of its divisors is an integer number (2749272064).

Almost surely, 2^79054042171 is an apocalyptic number.

79054042171 is a deficient number, since it is larger than the sum of its proper divisors (8922663877).

79054042171 is a wasteful number, since it uses less digits than its factorization.

79054042171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 79054042171 in words is "seventy-nine billion, fifty-four million, forty-two thousand, one hundred seventy-one".