86986723 has 2 divisors, whose sum is σ = 86986724. Its totient is φ = 86986722.

The previous prime is 86986699. The next prime is 86986763. The reversal of 86986723 is 32768968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86986723 - 2¹³ = 86978531 is a prime.

It is not a weakly prime, because it can be changed into another prime (86986763) 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, 43493361 + 43493362.

It is an arithmetic number, because the mean of its divisors is an integer number (43493362).

Almost surely, 2^86986723 is an apocalyptic number.

86986723 is a deficient number, since it is larger than the sum of its proper divisors (1).

86986723 is an equidigital number, since it uses as much as digits as its factorization.

86986723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 86986723 is about 9326.6673040267. The cubic root of 86986723 is about 443.0822204022.

The spelling of 86986723 in words is "eighty-six million, nine hundred eighty-six thousand, seven hundred twenty-three".