86425781249 has 16 divisors (see below), whose sum is σ = 91758213120. Its totient is φ = 81234513360.

The previous prime is 86425781243. The next prime is 86425781287. The reversal of 86425781249 is 94218752468.

It is a cyclic number.

It is a trimorphic number since its cube, 645550084277930974960586425781249, ends in 86425781249.

It is not a de Polignac number, because 86425781249 - 2³² = 82130813953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86425781194 and 86425781203.

It is not an unprimeable number, because it can be changed into a prime (86425781243) 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, 270674 + ... + 496100.

It is an arithmetic number, because the mean of its divisors is an integer number (5734888320).

Almost surely, 2^86425781249 is an apocalyptic number.

It is an amenable number.

86425781249 is a deficient number, since it is larger than the sum of its proper divisors (5332431871).

86425781249 is a wasteful number, since it uses less digits than its factorization.

86425781249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225740.

The product of its digits is 7741440, while the sum is 56.

The spelling of 86425781249 in words is "eighty-six billion, four hundred twenty-five million, seven hundred eighty-one thousand, two hundred forty-nine".