79536563 has 2 divisors, whose sum is σ = 79536564. Its totient is φ = 79536562.

The previous prime is 79536559. The next prime is 79536601. The reversal of 79536563 is 36563597.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79536563 - 2² = 79536559 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (79536533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39768281 + 39768282.

It is an arithmetic number, because the mean of its divisors is an integer number (39768282).

Almost surely, 2^79536563 is an apocalyptic number.

79536563 is a deficient number, since it is larger than the sum of its proper divisors (1).

79536563 is an equidigital number, since it uses as much as digits as its factorization.

79536563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 510300, while the sum is 44.

The square root of 79536563 is about 8918.3273655994. The cubic root of 79536563 is about 430.0532888708.

The spelling of 79536563 in words is "seventy-nine million, five hundred thirty-six thousand, five hundred sixty-three".