79998853040237 has 4 divisors (see below), whose sum is σ = 81310309647516. Its totient is φ = 78687396432960.

The previous prime is 79998853040231. The next prime is 79998853040279. The reversal of 79998853040237 is 73204035889997.

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 12982264754281 + 67016588285956 = 3603091^2 + 8186366^2 .

It is a cyclic number.

It is not a de Polignac number, because 79998853040237 - 2⁴ = 79998853040221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79998853040231) 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, 655728303548 + ... + 655728303669.

It is an arithmetic number, because the mean of its divisors is an integer number (20327577411879).

Almost surely, 2^{79998853040237} is an apocalyptic number.

It is an amenable number.

79998853040237 is a deficient number, since it is larger than the sum of its proper divisors (1311456607279).

79998853040237 is a wasteful number, since it uses less digits than its factorization.

79998853040237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311456607278.

The product of its (nonzero) digits is 823011840, while the sum is 74.

The spelling of 79998853040237 in words is "seventy-nine trillion, nine hundred ninety-eight billion, eight hundred fifty-three million, forty thousand, two hundred thirty-seven".