80678487611 has 2 divisors, whose sum is σ = 80678487612. Its totient is φ = 80678487610.

The previous prime is 80678487583. The next prime is 80678487619. The reversal of 80678487611 is 11678487608.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80678487611 is a prime.

It is not a weakly prime, because it can be changed into another prime (80678487619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40339243805 + 40339243806.

It is an arithmetic number, because the mean of its divisors is an integer number (40339243806).

Almost surely, 2^80678487611 is an apocalyptic number.

80678487611 is a deficient number, since it is larger than the sum of its proper divisors (1).

80678487611 is an equidigital number, since it uses as much as digits as its factorization.

80678487611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3612672, while the sum is 56.

The spelling of 80678487611 in words is "eighty billion, six hundred seventy-eight million, four hundred eighty-seven thousand, six hundred eleven".