9840790071 has 24 divisors (see below), whose sum is σ = 16769153024. Its totient is φ = 5441910480.

The previous prime is 9840790031. The next prime is 9840790087. The reversal of 9840790071 is 1700970489.

9840790071 is a `hidden beast` number, since 98 + 407 + 90 + 0 + 71 = 666.

It is not a de Polignac number, because 9840790071 - 2⁷ = 9840789943 is a prime.

It is a super-2 number, since 2×9840790071² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9840789999 and 9840790026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9840790031) 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, 2517451 + ... + 2521356.

Almost surely, 2^9840790071 is an apocalyptic number.

9840790071 is a deficient number, since it is larger than the sum of its proper divisors (6928362953).

9840790071 is a wasteful number, since it uses less digits than its factorization.

9840790071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038851 (or 5038848 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 9840790071 is about 99200.7564033662. The cubic root of 9840790071 is about 2142.9398897894.

The spelling of 9840790071 in words is "nine billion, eight hundred forty million, seven hundred ninety thousand, seventy-one".