7888421796 has 12 divisors (see below), whose sum is σ = 18406317552. Its totient is φ = 2629473928.

The previous prime is 7888421773. The next prime is 7888421797. The reversal of 7888421796 is 6971248887.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (7888421797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328684230 + ... + 328684253.

It is an arithmetic number, because the mean of its divisors is an integer number (1533859796).

Almost surely, 2^7888421796 is an apocalyptic number.

It is an amenable number.

7888421796 is an abundant number, since it is smaller than the sum of its proper divisors (10517895756).

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

7888421796 is a wasteful number, since it uses less digits than its factorization.

7888421796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657368490 (or 657368488 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 60.

The square root of 7888421796 is about 88816.7878050090. The cubic root of 7888421796 is about 1990.6582501245.

The spelling of 7888421796 in words is "seven billion, eight hundred eighty-eight million, four hundred twenty-one thousand, seven hundred ninety-six".