86683372129 has 2 divisors, whose sum is σ = 86683372130. Its totient is φ = 86683372128.

The previous prime is 86683372121. The next prime is 86683372133. The reversal of 86683372129 is 92127338668.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46993568400 + 39689803729 = 216780^2 + 199223^2 .

It is a cyclic number.

It is not a de Polignac number, because 86683372129 - 2³ = 86683372121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86683372129.

It is not a weakly prime, because it can be changed into another prime (86683372121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43341686064 + 43341686065.

It is an arithmetic number, because the mean of its divisors is an integer number (43341686065).

Almost surely, 2^86683372129 is an apocalyptic number.

It is an amenable number.

86683372129 is a deficient number, since it is larger than the sum of its proper divisors (1).

86683372129 is an equidigital number, since it uses as much as digits as its factorization.

86683372129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 55.

The spelling of 86683372129 in words is "eighty-six billion, six hundred eighty-three million, three hundred seventy-two thousand, one hundred twenty-nine".