76505873643403 has 2 divisors, whose sum is σ = 76505873643404. Its totient is φ = 76505873643402.

The previous prime is 76505873643377. The next prime is 76505873643427. The reversal of 76505873643403 is 30434637850567.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76505873643403 is a prime.

It is not a weakly prime, because it can be changed into another prime (76505873653403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38252936821701 + 38252936821702.

It is an arithmetic number, because the mean of its divisors is an integer number (38252936821702).

Almost surely, 2^{76505873643403} is an apocalyptic number.

76505873643403 is a deficient number, since it is larger than the sum of its proper divisors (1).

76505873643403 is an equidigital number, since it uses as much as digits as its factorization.

76505873643403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 152409600, while the sum is 61.

The spelling of 76505873643403 in words is "seventy-six trillion, five hundred five billion, eight hundred seventy-three million, six hundred forty-three thousand, four hundred three".