86825563 has 8 divisors (see below), whose sum is σ = 94789296. Its totient is φ = 78873600.

The previous prime is 86825551. The next prime is 86825581. The reversal of 86825563 is 36552868.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 86825563 - 2¹³ = 86817371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86825533) 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, 20995 + ... + 24787.

It is an arithmetic number, because the mean of its divisors is an integer number (11848662).

Almost surely, 2^86825563 is an apocalyptic number.

86825563 is a deficient number, since it is larger than the sum of its proper divisors (7963733).

86825563 is a wasteful number, since it uses less digits than its factorization.

86825563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885.

The product of its digits is 345600, while the sum is 43.

The square root of 86825563 is about 9318.0235565274. The cubic root of 86825563 is about 442.8084189445.

The spelling of 86825563 in words is "eighty-six million, eight hundred twenty-five thousand, five hundred sixty-three".