80578275523 has 2 divisors, whose sum is σ = 80578275524. Its totient is φ = 80578275522.

The previous prime is 80578275517. The next prime is 80578275527. The reversal of 80578275523 is 32557287508.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80578275523 is a prime.

It is not a weakly prime, because it can be changed into another prime (80578275527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40289137761 + 40289137762.

It is an arithmetic number, because the mean of its divisors is an integer number (40289137762).

Almost surely, 2^80578275523 is an apocalyptic number.

80578275523 is a deficient number, since it is larger than the sum of its proper divisors (1).

80578275523 is an equidigital number, since it uses as much as digits as its factorization.

80578275523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 80578275523 in words is "eighty billion, five hundred seventy-eight million, two hundred seventy-five thousand, five hundred twenty-three".