86681828707 has 2 divisors, whose sum is σ = 86681828708. Its totient is φ = 86681828706.

The previous prime is 86681828693. The next prime is 86681828729. The reversal of 86681828707 is 70782818668.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86681828707 - 2²⁷ = 86547610979 is a prime.

It is not a weakly prime, because it can be changed into another prime (86681828777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43340914353 + 43340914354.

It is an arithmetic number, because the mean of its divisors is an integer number (43340914354).

Almost surely, 2^86681828707 is an apocalyptic number.

86681828707 is a deficient number, since it is larger than the sum of its proper divisors (1).

86681828707 is an equidigital number, since it uses as much as digits as its factorization.

86681828707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14450688, while the sum is 61.

The spelling of 86681828707 in words is "eighty-six billion, six hundred eighty-one million, eight hundred twenty-eight thousand, seven hundred seven".