86889745 has 16 divisors (see below), whose sum is σ = 112315392. Its totient is φ = 64342080.

The previous prime is 86889743. The next prime is 86889749. The reversal of 86889745 is 54798868.

It is not a de Polignac number, because 86889745 - 2¹ = 86889743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86889743) 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, 8622 + ... + 15751.

It is an arithmetic number, because the mean of its divisors is an integer number (7019712).

Almost surely, 2^86889745 is an apocalyptic number.

It is an amenable number.

86889745 is a deficient number, since it is larger than the sum of its proper divisors (25425647).

86889745 is a wasteful number, since it uses less digits than its factorization.

86889745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24432.

The product of its digits is 3870720, while the sum is 55.

The square root of 86889745 is about 9321.4668909995. The cubic root of 86889745 is about 442.9175009899.

The spelling of 86889745 in words is "eighty-six million, eight hundred eighty-nine thousand, seven hundred forty-five".