87389739677959 has 2 divisors, whose sum is σ = 87389739677960. Its totient is φ = 87389739677958.

The previous prime is 87389739677909. The next prime is 87389739677993. The reversal of 87389739677959 is 95977693798378.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87389739677959 - 2²⁵ = 87389706123527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87389739677909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43694869838979 + 43694869838980.

It is an arithmetic number, because the mean of its divisors is an integer number (43694869838980).

Almost surely, 2^{87389739677959} is an apocalyptic number.

87389739677959 is a deficient number, since it is larger than the sum of its proper divisors (1).

87389739677959 is an equidigital number, since it uses as much as digits as its factorization.

87389739677959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272211166080, while the sum is 97.

The spelling of 87389739677959 in words is "eighty-seven trillion, three hundred eighty-nine billion, seven hundred thirty-nine million, six hundred seventy-seven thousand, nine hundred fifty-nine".