78560673803 has 2 divisors, whose sum is σ = 78560673804. Its totient is φ = 78560673802.

The previous prime is 78560673799. The next prime is 78560673809. The reversal of 78560673803 is 30837606587.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78560673803 - 2² = 78560673799 is a prime.

It is not a weakly prime, because it can be changed into another prime (78560673809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39280336901 + 39280336902.

It is an arithmetic number, because the mean of its divisors is an integer number (39280336902).

Almost surely, 2^78560673803 is an apocalyptic number.

78560673803 is a deficient number, since it is larger than the sum of its proper divisors (1).

78560673803 is an equidigital number, since it uses as much as digits as its factorization.

78560673803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 78560673803 in words is "seventy-eight billion, five hundred sixty million, six hundred seventy-three thousand, eight hundred three".