5266578803 has 2 divisors, whose sum is σ = 5266578804. Its totient is φ = 5266578802.

The previous prime is 5266578791. The next prime is 5266578887. The reversal of 5266578803 is 3088756625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5266578803 - 2⁴ = 5266578787 is a prime.

It is not a weakly prime, because it can be changed into another prime (5266578703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633289401 + 2633289402.

It is an arithmetic number, because the mean of its divisors is an integer number (2633289402).

Almost surely, 2^5266578803 is an apocalyptic number.

5266578803 is a deficient number, since it is larger than the sum of its proper divisors (1).

5266578803 is an equidigital number, since it uses as much as digits as its factorization.

5266578803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The square root of 5266578803 is about 72571.1981642855. The cubic root of 5266578803 is about 1739.8408718484.

The spelling of 5266578803 in words is "five billion, two hundred sixty-six million, five hundred seventy-eight thousand, eight hundred three".