86244837893 has 2 divisors, whose sum is σ = 86244837894. Its totient is φ = 86244837892.

The previous prime is 86244837863. The next prime is 86244837967. The reversal of 86244837893 is 39873844268.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80998298404 + 5246539489 = 284602^2 + 72433^2 .

It is a cyclic number.

It is not a de Polignac number, because 86244837893 - 2²⁸ = 85976402437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86244837863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43122418946 + 43122418947.

It is an arithmetic number, because the mean of its divisors is an integer number (43122418947).

Almost surely, 2^86244837893 is an apocalyptic number.

It is an amenable number.

86244837893 is a deficient number, since it is larger than the sum of its proper divisors (1).

86244837893 is an equidigital number, since it uses as much as digits as its factorization.

86244837893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55738368, while the sum is 62.

The spelling of 86244837893 in words is "eighty-six billion, two hundred forty-four million, eight hundred thirty-seven thousand, eight hundred ninety-three".