86681496007 has 2 divisors, whose sum is σ = 86681496008. Its totient is φ = 86681496006.

The previous prime is 86681495917. The next prime is 86681496017. The reversal of 86681496007 is 70069418668.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86681496007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86681496017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43340748003 + 43340748004.

It is an arithmetic number, because the mean of its divisors is an integer number (43340748004).

Almost surely, 2^86681496007 is an apocalyptic number.

86681496007 is a deficient number, since it is larger than the sum of its proper divisors (1).

86681496007 is an equidigital number, since it uses as much as digits as its factorization.

86681496007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 86681496007 in words is "eighty-six billion, six hundred eighty-one million, four hundred ninety-six thousand, seven".