999983000071 has 16 divisors (see below), whose sum is σ = 1096808025600. Its totient is φ = 904153622400.

The previous prime is 999983000063. The next prime is 999983000113. The reversal of 999983000071 is 170000389999.

It is a cyclic number.

It is not a de Polignac number, because 999983000071 - 2³ = 999983000063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 999982999976 and 999983000021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999983000041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1897615 + ... + 2366623.

It is an arithmetic number, because the mean of its divisors is an integer number (68550501600).

Almost surely, 2^999983000071 is an apocalyptic number.

999983000071 is a deficient number, since it is larger than the sum of its proper divisors (96825025529).

999983000071 is a wasteful number, since it uses less digits than its factorization.

999983000071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470070.

The product of its (nonzero) digits is 1102248, while the sum is 55.

The spelling of 999983000071 in words is "nine hundred ninety-nine billion, nine hundred eighty-three million, seventy-one", and thus it is an aban number.