86889245 has 8 divisors (see below), whose sum is σ = 104335800. Its totient is φ = 69465600.

The previous prime is 86889181. The next prime is 86889247. The reversal of 86889245 is 54298868.

It can be written as a sum of positive squares in 4 ways, for example, as 1104601 + 85784644 = 1051^2 + 9262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86889245 - 2⁶ = 86889181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86889193 and 86889202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86889247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181 + ... + 13829.

It is an arithmetic number, because the mean of its divisors is an integer number (13041975).

Almost surely, 2^86889245 is an apocalyptic number.

It is an amenable number.

86889245 is a deficient number, since it is larger than the sum of its proper divisors (17446555).

86889245 is a wasteful number, since it uses less digits than its factorization.

86889245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11455.

The product of its digits is 1105920, while the sum is 50.

The square root of 86889245 is about 9321.4400711478. The cubic root of 86889245 is about 442.9166514106.

The spelling of 86889245 in words is "eighty-six million, eight hundred eighty-nine thousand, two hundred forty-five".