86849745 has 16 divisors (see below), whose sum is σ = 139335360. Its totient is φ = 46194624.

The previous prime is 86849729. The next prime is 86849747. The reversal of 86849745 is 54794868.

It is not a de Polignac number, because 86849745 - 2⁴ = 86849729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86849747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1954 + ... + 13323.

It is an arithmetic number, because the mean of its divisors is an integer number (8708460).

Almost surely, 2^86849745 is an apocalyptic number.

It is an amenable number.

86849745 is a deficient number, since it is larger than the sum of its proper divisors (52485615).

86849745 is a wasteful number, since it uses less digits than its factorization.

86849745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15664.

The product of its digits is 1935360, while the sum is 51.

The square root of 86849745 is about 9319.3210589613. The cubic root of 86849745 is about 442.8495243474.

The spelling of 86849745 in words is "eighty-six million, eight hundred forty-nine thousand, seven hundred forty-five".