79669567563 has 16 divisors (see below), whose sum is σ = 108889630080. Its totient is φ = 51785665344.

The previous prime is 79669567553. The next prime is 79669567583. The reversal of 79669567563 is 36576596697.

It is not a de Polignac number, because 79669567563 - 2⁵ = 79669567531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79669567553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475858 + ... + 621111.

It is an arithmetic number, because the mean of its divisors is an integer number (6805601880).

Almost surely, 2^79669567563 is an apocalyptic number.

79669567563 is a deficient number, since it is larger than the sum of its proper divisors (29220062517).

79669567563 is a wasteful number, since it uses less digits than its factorization.

79669567563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097578.

The product of its digits is 385786800, while the sum is 69.

The spelling of 79669567563 in words is "seventy-nine billion, six hundred sixty-nine million, five hundred sixty-seven thousand, five hundred sixty-three".