86146747 has 2 divisors, whose sum is σ = 86146748. Its totient is φ = 86146746.

The previous prime is 86146691. The next prime is 86146751. The reversal of 86146747 is 74764168.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 86146747 - 2¹¹ = 86144699 is a prime.

It is not a weakly prime, because it can be changed into another prime (86146757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43073373 + 43073374.

It is an arithmetic number, because the mean of its divisors is an integer number (43073374).

Almost surely, 2^86146747 is an apocalyptic number.

86146747 is a deficient number, since it is larger than the sum of its proper divisors (1).

86146747 is an equidigital number, since it uses as much as digits as its factorization.

86146747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 43.

The square root of 86146747 is about 9281.5271911469. The cubic root of 86146747 is about 441.6514163636.

The spelling of 86146747 in words is "eighty-six million, one hundred forty-six thousand, seven hundred forty-seven".