86789134739 has 2 divisors, whose sum is σ = 86789134740. Its totient is φ = 86789134738.

The previous prime is 86789134703. The next prime is 86789134771. The reversal of 86789134739 is 93743198768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86789134739 - 2⁸ = 86789134483 is a prime.

It is not a weakly prime, because it can be changed into another prime (86789134799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43394567369 + 43394567370.

It is an arithmetic number, because the mean of its divisors is an integer number (43394567370).

Almost surely, 2^86789134739 is an apocalyptic number.

86789134739 is a deficient number, since it is larger than the sum of its proper divisors (1).

86789134739 is an equidigital number, since it uses as much as digits as its factorization.

86789134739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54867456, while the sum is 65.

The spelling of 86789134739 in words is "eighty-six billion, seven hundred eighty-nine million, one hundred thirty-four thousand, seven hundred thirty-nine".