83256983385 has 16 divisors (see below), whose sum is σ = 133387164096. Its totient is φ = 44345060928.

The previous prime is 83256983239. The next prime is 83256983393. The reversal of 83256983385 is 58338965238.

It is not a de Polignac number, because 83256983385 - 2¹¹ = 83256981337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3654739 + ... + 3677448.

It is an arithmetic number, because the mean of its divisors is an integer number (8336697756).

Almost surely, 2^83256983385 is an apocalyptic number.

It is an amenable number.

83256983385 is a deficient number, since it is larger than the sum of its proper divisors (50130180711).

83256983385 is a wasteful number, since it uses less digits than its factorization.

83256983385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332952.

The product of its digits is 37324800, while the sum is 60.

The spelling of 83256983385 in words is "eighty-three billion, two hundred fifty-six million, nine hundred eighty-three thousand, three hundred eighty-five".