780538173083 has 2 divisors, whose sum is σ = 780538173084. Its totient is φ = 780538173082.

The previous prime is 780538173013. The next prime is 780538173113. The reversal of 780538173083 is 380371835087.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 780538173083 - 2²⁸ = 780269737627 is a prime.

It is not a weakly prime, because it can be changed into another prime (780538173013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390269086541 + 390269086542.

It is an arithmetic number, because the mean of its divisors is an integer number (390269086542).

Almost surely, 2^780538173083 is an apocalyptic number.

780538173083 is a deficient number, since it is larger than the sum of its proper divisors (1).

780538173083 is an equidigital number, since it uses as much as digits as its factorization.

780538173083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 780538173083 in words is "seven hundred eighty billion, five hundred thirty-eight million, one hundred seventy-three thousand, eighty-three".