79783224771 has 4 divisors (see below), whose sum is σ = 106377633032. Its totient is φ = 53188816512.

The previous prime is 79783224743. The next prime is 79783224791. The reversal of 79783224771 is 17742238797.

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

It is not a de Polignac number, because 79783224771 - 2⁶ = 79783224707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79783224721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13297204126 + ... + 13297204131.

It is an arithmetic number, because the mean of its divisors is an integer number (26594408258).

Almost surely, 2^79783224771 is an apocalyptic number.

79783224771 is a deficient number, since it is larger than the sum of its proper divisors (26594408261).

79783224771 is a wasteful number, since it uses less digits than its factorization.

79783224771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26594408260.

The product of its digits is 8297856, while the sum is 57.

The spelling of 79783224771 in words is "seventy-nine billion, seven hundred eighty-three million, two hundred twenty-four thousand, seven hundred seventy-one".