86635583788379 has 2 divisors, whose sum is σ = 86635583788380. Its totient is φ = 86635583788378.

The previous prime is 86635583788283. The next prime is 86635583788427. The reversal of 86635583788379 is 97388738553668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86635583788379 - 2¹² = 86635583784283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86635583788379.

It is not a weakly prime, because it can be changed into another prime (86635583748379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43317791894189 + 43317791894190.

It is an arithmetic number, because the mean of its divisors is an integer number (43317791894190).

Almost surely, 2^{86635583788379} is an apocalyptic number.

86635583788379 is a deficient number, since it is larger than the sum of its proper divisors (1).

86635583788379 is an equidigital number, since it uses as much as digits as its factorization.

86635583788379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43893964800, while the sum is 86.

The spelling of 86635583788379 in words is "eighty-six trillion, six hundred thirty-five billion, five hundred eighty-three million, seven hundred eighty-eight thousand, three hundred seventy-nine".