86441631225 has 24 divisors (see below), whose sum is σ = 143093153952. Its totient is φ = 46045324800.

The previous prime is 86441631209. The next prime is 86441631253. The reversal of 86441631225 is 52213614468.

It is not a de Polignac number, because 86441631225 - 2⁴ = 86441631209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 649752 + ... + 771401.

It is an arithmetic number, because the mean of its divisors is an integer number (5962214748).

Almost surely, 2^86441631225 is an apocalyptic number.

It is an amenable number.

86441631225 is a deficient number, since it is larger than the sum of its proper divisors (56651522727).

86441631225 is a wasteful number, since it uses less digits than its factorization.

86441631225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421977 (or 1421972 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The spelling of 86441631225 in words is "eighty-six billion, four hundred forty-one million, six hundred thirty-one thousand, two hundred twenty-five".