7896434140 has 48 divisors (see below), whose sum is σ = 19262142144. Its totient is φ = 2662963200.

The previous prime is 7896434093. The next prime is 7896434141. The reversal of 7896434140 is 414346987.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7896434141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453781 + ... + 470860.

It is an arithmetic number, because the mean of its divisors is an integer number (401294628).

Almost surely, 2^7896434140 is an apocalyptic number.

7896434140 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7896434140 is an abundant number, since it is smaller than the sum of its proper divisors (11365708004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7896434140 is a wasteful number, since it uses less digits than its factorization.

7896434140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924718 (or 924716 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 7896434140 is about 88861.8823793419. The cubic root of 7896434140 is about 1991.3319988164.

The spelling of 7896434140 in words is "seven billion, eight hundred ninety-six million, four hundred thirty-four thousand, one hundred forty".