86641047025 has 24 divisors (see below), whose sum is σ = 115806032384. Its totient is φ = 63921960000.

The previous prime is 86641047011. The next prime is 86641047047. The reversal of 86641047025 is 52074014668.

It is not a de Polignac number, because 86641047025 - 2¹¹ = 86641044977 is a prime.

It is a super-2 number, since 2×86641047025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230650 + ... + 475900.

Almost surely, 2^86641047025 is an apocalyptic number.

It is an amenable number.

86641047025 is a deficient number, since it is larger than the sum of its proper divisors (29164985359).

86641047025 is a wasteful number, since it uses less digits than its factorization.

86641047025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246361 (or 246356 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 86641047025 in words is "eighty-six billion, six hundred forty-one million, forty-seven thousand, twenty-five".