80578275563 has 2 divisors, whose sum is σ = 80578275564. Its totient is φ = 80578275562.

The previous prime is 80578275553. The next prime is 80578275581. The reversal of 80578275563 is 36557287508.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80578275563 - 2²⁶ = 80511166699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80578275499 and 80578275508.

It is not a weakly prime, because it can be changed into another prime (80578275523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40289137781 + 40289137782.

It is an arithmetic number, because the mean of its divisors is an integer number (40289137782).

Almost surely, 2^80578275563 is an apocalyptic number.

80578275563 is a deficient number, since it is larger than the sum of its proper divisors (1).

80578275563 is an equidigital number, since it uses as much as digits as its factorization.

80578275563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112000, while the sum is 56.

The spelling of 80578275563 in words is "eighty billion, five hundred seventy-eight million, two hundred seventy-five thousand, five hundred sixty-three".