86849759 has 2 divisors, whose sum is σ = 86849760. Its totient is φ = 86849758.

The previous prime is 86849747. The next prime is 86849761. The reversal of 86849759 is 95794868.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86849759 is a prime.

Together with 86849761, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86849729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43424879 + 43424880.

It is an arithmetic number, because the mean of its divisors is an integer number (43424880).

Almost surely, 2^86849759 is an apocalyptic number.

86849759 is a deficient number, since it is larger than the sum of its proper divisors (1).

86849759 is an equidigital number, since it uses as much as digits as its factorization.

86849759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The square root of 86849759 is about 9319.3218100890. The cubic root of 86849759 is about 442.8495481429.

The spelling of 86849759 in words is "eighty-six million, eight hundred forty-nine thousand, seven hundred fifty-nine".