79304712637 has 4 divisors (see below), whose sum is σ = 79305985116. Its totient is φ = 79303440160.

The previous prime is 79304712623. The next prime is 79304712653. The reversal of 79304712637 is 73621740397.

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 9383603161 + 69921109476 = 96869^2 + 264426^2 .

It is a cyclic number.

It is not a de Polignac number, because 79304712637 - 2¹⁵ = 79304679869 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79304712667) 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, 537664 + ... + 669097.

It is an arithmetic number, because the mean of its divisors is an integer number (19826496279).

Almost surely, 2^79304712637 is an apocalyptic number.

It is an amenable number.

79304712637 is a deficient number, since it is larger than the sum of its proper divisors (1272479).

79304712637 is a wasteful number, since it uses less digits than its factorization.

79304712637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272478.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 79304712637 in words is "seventy-nine billion, three hundred four million, seven hundred twelve thousand, six hundred thirty-seven".