7842103881 has 16 divisors (see below), whose sum is σ = 10494054144. Its totient is φ = 5209135184.

The previous prime is 7842103879. The next prime is 7842103891. The reversal of 7842103881 is 1883012487.

It is a cyclic number.

It is not a de Polignac number, because 7842103881 - 2¹ = 7842103879 is a prime.

It is a super-2 number, since 2×7842103881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7842103891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2358286 + ... + 2361608.

It is an arithmetic number, because the mean of its divisors is an integer number (655878384).

Almost surely, 2^7842103881 is an apocalyptic number.

It is an amenable number.

7842103881 is a deficient number, since it is larger than the sum of its proper divisors (2651950263).

7842103881 is a wasteful number, since it uses less digits than its factorization.

7842103881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 7842103881 is about 88555.6541447242. The cubic root of 7842103881 is about 1986.7544615940.

The spelling of 7842103881 in words is "seven billion, eight hundred forty-two million, one hundred three thousand, eight hundred eighty-one".