79046405563 has 2 divisors, whose sum is σ = 79046405564. Its totient is φ = 79046405562.

The previous prime is 79046405533. The next prime is 79046405623. The reversal of 79046405563 is 36550464097.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79046405563 - 2⁵ = 79046405531 is a prime.

It is not a weakly prime, because it can be changed into another prime (79046405513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39523202781 + 39523202782.

It is an arithmetic number, because the mean of its divisors is an integer number (39523202782).

Almost surely, 2^79046405563 is an apocalyptic number.

79046405563 is a deficient number, since it is larger than the sum of its proper divisors (1).

79046405563 is an equidigital number, since it uses as much as digits as its factorization.

79046405563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 79046405563 in words is "seventy-nine billion, forty-six million, four hundred five thousand, five hundred sixty-three".