86560851 has 32 divisors (see below), whose sum is σ = 127552768. Its totient is φ = 51891840.

The previous prime is 86560843. The next prime is 86560867. The reversal of 86560851 is 15806568.

It is not a de Polignac number, because 86560851 - 2³ = 86560843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86560801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 410136 + ... + 410346.

It is an arithmetic number, because the mean of its divisors is an integer number (3986024).

Almost surely, 2^86560851 is an apocalyptic number.

86560851 is a deficient number, since it is larger than the sum of its proper divisors (40991917).

86560851 is a wasteful number, since it uses less digits than its factorization.

86560851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 86560851 is about 9303.8084137626. The cubic root of 86560851 is about 442.3579524270.

It can be divided in two parts, 865 and 60851, that added together give a palindrome (61716).

The spelling of 86560851 in words is "eighty-six million, five hundred sixty thousand, eight hundred fifty-one".