86976013 has 2 divisors, whose sum is σ = 86976014. Its totient is φ = 86976012.

The previous prime is 86975969. The next prime is 86976031. The reversal of 86976013 is 31067968.

Together with next prime (86976031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73994404 + 12981609 = 8602^2 + 3603^2 .

It is a cyclic number.

It is not a de Polignac number, because 86976013 - 2¹³ = 86967821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86976083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43488006 + 43488007.

It is an arithmetic number, because the mean of its divisors is an integer number (43488007).

Almost surely, 2^86976013 is an apocalyptic number.

It is an amenable number.

86976013 is a deficient number, since it is larger than the sum of its proper divisors (1).

86976013 is an equidigital number, since it uses as much as digits as its factorization.

86976013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 86976013 is about 9326.0931262775. The cubic root of 86976013 is about 443.0640352310.

The spelling of 86976013 in words is "eighty-six million, nine hundred seventy-six thousand, thirteen".