79363566437 has 8 divisors (see below), whose sum is σ = 79473383640. Its totient is φ = 79253821440.

The previous prime is 79363566397. The next prime is 79363566449. The reversal of 79363566437 is 73466536397.

It can be written as a sum of positive squares in 4 ways, for example, as 18574691521 + 60788874916 = 136289^2 + 246554^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79363566437 - 2¹⁶ = 79363500901 is a prime.

It is a super-2 number, since 2×79363566437² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79363566497) 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 7 ways as a sum of consecutive naturals, for example, 2400773 + ... + 2433605.

It is an arithmetic number, because the mean of its divisors is an integer number (9934172955).

Almost surely, 2^79363566437 is an apocalyptic number.

It is an amenable number.

79363566437 is a deficient number, since it is larger than the sum of its proper divisors (109817203).

79363566437 is a wasteful number, since it uses less digits than its factorization.

79363566437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36103.

The product of its digits is 51438240, while the sum is 59.

The spelling of 79363566437 in words is "seventy-nine billion, three hundred sixty-three million, five hundred sixty-six thousand, four hundred thirty-seven".