86938493611 has 2 divisors, whose sum is σ = 86938493612. Its totient is φ = 86938493610.

The previous prime is 86938493597. The next prime is 86938493641. The reversal of 86938493611 is 11639483968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86938493611 - 2¹³ = 86938485419 is a prime.

It is not a weakly prime, because it can be changed into another prime (86938493641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43469246805 + 43469246806.

It is an arithmetic number, because the mean of its divisors is an integer number (43469246806).

Almost surely, 2^86938493611 is an apocalyptic number.

86938493611 is a deficient number, since it is larger than the sum of its proper divisors (1).

86938493611 is an equidigital number, since it uses as much as digits as its factorization.

86938493611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 58.

The spelling of 86938493611 in words is "eighty-six billion, nine hundred thirty-eight million, four hundred ninety-three thousand, six hundred eleven".