79016454374401 has 4 divisors (see below), whose sum is σ = 79094456798292. Its totient is φ = 78938451950512.

The previous prime is 79016454374323. The next prime is 79016454374437. The reversal of 79016454374401 is 10447345461097.

It is a Cunningham number, because it is equal to 8889120²+1.

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 155927055376 + 78860527319025 = 394876^2 + 8880345^2 .

It is a cyclic number.

It is not a de Polignac number, because 79016454374401 - 2¹⁷ = 79016454243329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79016454374491) 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 3 ways as a sum of consecutive naturals, for example, 39001210426 + ... + 39001212451.

It is an arithmetic number, because the mean of its divisors is an integer number (19773614199573).

Almost surely, 2^{79016454374401} is an apocalyptic number.

It is an amenable number.

79016454374401 is a deficient number, since it is larger than the sum of its proper divisors (78002423891).

79016454374401 is a wasteful number, since it uses less digits than its factorization.

79016454374401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78002423890.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 79016454374401 in words is "seventy-nine trillion, sixteen billion, four hundred fifty-four million, three hundred seventy-four thousand, four hundred one".