86864476357 has 2 divisors, whose sum is σ = 86864476358. Its totient is φ = 86864476356.

The previous prime is 86864476337. The next prime is 86864476379. The reversal of 86864476357 is 75367446868.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80883928801 + 5980547556 = 284401^2 + 77334^2 .

It is a cyclic number.

It is not a de Polignac number, because 86864476357 - 2¹¹ = 86864474309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86864476327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43432238178 + 43432238179.

It is an arithmetic number, because the mean of its divisors is an integer number (43432238179).

Almost surely, 2^86864476357 is an apocalyptic number.

It is an amenable number.

86864476357 is a deficient number, since it is larger than the sum of its proper divisors (1).

86864476357 is an equidigital number, since it uses as much as digits as its factorization.

86864476357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162570240, while the sum is 64.

The spelling of 86864476357 in words is "eighty-six billion, eight hundred sixty-four million, four hundred seventy-six thousand, three hundred fifty-seven".