86749163 has 2 divisors, whose sum is σ = 86749164. Its totient is φ = 86749162.

The previous prime is 86749139. The next prime is 86749183. The reversal of 86749163 is 36194768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86749163 - 2⁶ = 86749099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86749133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43374581 + 43374582.

It is an arithmetic number, because the mean of its divisors is an integer number (43374582).

Almost surely, 2^86749163 is an apocalyptic number.

86749163 is a deficient number, since it is larger than the sum of its proper divisors (1).

86749163 is an equidigital number, since it uses as much as digits as its factorization.

86749163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 86749163 is about 9313.9230724760. The cubic root of 86749163 is about 442.6785014038.

The spelling of 86749163 in words is "eighty-six million, seven hundred forty-nine thousand, one hundred sixty-three".