79086718547471 has 4 divisors (see below), whose sum is σ = 79088570608032. Its totient is φ = 79084866486912.

The previous prime is 79086718547449. The next prime is 79086718547509. The reversal of 79086718547471 is 17474581768097.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79086718547471 - 2⁶ = 79086718547407 is a prime.

It is a super-3 number, since 3×79086718547471³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79086718547411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925966226 + ... + 926051631.

It is an arithmetic number, because the mean of its divisors is an integer number (19772142652008).

Almost surely, 2^{79086718547471} is an apocalyptic number.

79086718547471 is a deficient number, since it is larger than the sum of its proper divisors (1852060561).

79086718547471 is a wasteful number, since it uses less digits than its factorization.

79086718547471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852060560.

The product of its (nonzero) digits is 663828480, while the sum is 74.

The spelling of 79086718547471 in words is "seventy-nine trillion, eighty-six billion, seven hundred eighteen million, five hundred forty-seven thousand, four hundred seventy-one".