86235516644 has 24 divisors (see below), whose sum is σ = 154628476800. Its totient is φ = 42056435520.

The previous prime is 86235516623. The next prime is 86235516649. The reversal of 86235516644 is 44661553268.

It is a junction number, because it is equal to n+sod(n) for n = 86235516592 and 86235516601.

It is not an unprimeable number, because it can be changed into a prime (86235516649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682937 + ... + 799295.

It is an arithmetic number, because the mean of its divisors is an integer number (6442853200).

Almost surely, 2^86235516644 is an apocalyptic number.

It is an amenable number.

86235516644 is a deficient number, since it is larger than the sum of its proper divisors (68392960156).

86235516644 is a wasteful number, since it uses less digits than its factorization.

86235516644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120923 (or 120921 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 50.

The spelling of 86235516644 in words is "eighty-six billion, two hundred thirty-five million, five hundred sixteen thousand, six hundred forty-four".