85986829744 has 20 divisors (see below), whose sum is σ = 166619101320. Its totient is φ = 42988352000.

The previous prime is 85986829729. The next prime is 85986829763. The reversal of 85986829744 is 44792868958.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174382 + ... + 449869.

It is an arithmetic number, because the mean of its divisors is an integer number (8330955066).

Almost surely, 2^85986829744 is an apocalyptic number.

It is an amenable number.

85986829744 is a deficient number, since it is larger than the sum of its proper divisors (80632271576).

85986829744 is a wasteful number, since it uses less digits than its factorization.

85986829744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632868 (or 632862 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 70.

The spelling of 85986829744 in words is "eighty-five billion, nine hundred eighty-six million, eight hundred twenty-nine thousand, seven hundred forty-four".