79458322445 has 4 divisors (see below), whose sum is σ = 95349986940. Its totient is φ = 63566657952.

The previous prime is 79458322441. The next prime is 79458322457. The reversal of 79458322445 is 54422385497.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50450101321 + 29008221124 = 224611^2 + 170318^2 .

It is a cyclic number.

It is not a de Polignac number, because 79458322445 - 2² = 79458322441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79458322441) 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, 7945832240 + ... + 7945832249.

It is an arithmetic number, because the mean of its divisors is an integer number (23837496735).

Almost surely, 2^79458322445 is an apocalyptic number.

It is an amenable number.

79458322445 is a deficient number, since it is larger than the sum of its proper divisors (15891664495).

79458322445 is a wasteful number, since it uses less digits than its factorization.

79458322445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15891664494.

The product of its digits is 9676800, while the sum is 53.

The spelling of 79458322445 in words is "seventy-nine billion, four hundred fifty-eight million, three hundred twenty-two thousand, four hundred forty-five".