136779882787 has 2 divisors, whose sum is σ = 136779882788. Its totient is φ = 136779882786.

The previous prime is 136779882779. The next prime is 136779882809. The reversal of 136779882787 is 787288977631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136779882787 - 2³ = 136779882779 is a prime.

It is not a weakly prime, because it can be changed into another prime (136779802787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68389941393 + 68389941394.

It is an arithmetic number, because the mean of its divisors is an integer number (68389941394).

Almost surely, 2^136779882787 is an apocalyptic number.

136779882787 is a deficient number, since it is larger than the sum of its proper divisors (1).

136779882787 is an equidigital number, since it uses as much as digits as its factorization.

136779882787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 398297088, while the sum is 73.

The spelling of 136779882787 in words is "one hundred thirty-six billion, seven hundred seventy-nine million, eight hundred eighty-two thousand, seven hundred eighty-seven".