79632838563 has 4 divisors (see below), whose sum is σ = 106177118088. Its totient is φ = 53088559040.

The previous prime is 79632838561. The next prime is 79632838573. The reversal of 79632838563 is 36583823697.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79632838563 - 2¹ = 79632838561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79632838497 and 79632838506.

It is not an unprimeable number, because it can be changed into a prime (79632838561) 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, 13272139758 + ... + 13272139763.

It is an arithmetic number, because the mean of its divisors is an integer number (26544279522).

Almost surely, 2^79632838563 is an apocalyptic number.

79632838563 is a deficient number, since it is larger than the sum of its proper divisors (26544279525).

79632838563 is a wasteful number, since it uses less digits than its factorization.

79632838563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26544279524.

The product of its digits is 39191040, while the sum is 60.

The spelling of 79632838563 in words is "seventy-nine billion, six hundred thirty-two million, eight hundred thirty-eight thousand, five hundred sixty-three".