80687664119 has 2 divisors, whose sum is σ = 80687664120. Its totient is φ = 80687664118.

The previous prime is 80687664011. The next prime is 80687664137. The reversal of 80687664119 is 91146678608.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80687664119 is a prime.

It is a super-2 number, since 2×80687664119² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80687664319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40343832059 + 40343832060.

It is an arithmetic number, because the mean of its divisors is an integer number (40343832060).

Almost surely, 2^80687664119 is an apocalyptic number.

80687664119 is a deficient number, since it is larger than the sum of its proper divisors (1).

80687664119 is an equidigital number, since it uses as much as digits as its factorization.

80687664119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 80687664119 in words is "eighty billion, six hundred eighty-seven million, six hundred sixty-four thousand, one hundred nineteen".