86835645813 has 24 divisors (see below), whose sum is σ = 136966649760. Its totient is φ = 48779340960.

The previous prime is 86835645773. The next prime is 86835645817. The reversal of 86835645813 is 31854653868.

It is not a de Polignac number, because 86835645813 - 2⁸ = 86835645557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86835645817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4997418 + ... + 5014763.

It is an arithmetic number, because the mean of its divisors is an integer number (5706943740).

Almost surely, 2^86835645813 is an apocalyptic number.

It is an amenable number.

86835645813 is a deficient number, since it is larger than the sum of its proper divisors (50131003947).

86835645813 is a wasteful number, since it uses less digits than its factorization.

86835645813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10012257 (or 10012250 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 57.

The spelling of 86835645813 in words is "eighty-six billion, eight hundred thirty-five million, six hundred forty-five thousand, eight hundred thirteen".