7888231621612 has 48 divisors (see below), whose sum is σ = 15164914947840. Its totient is φ = 3573558724032.

The previous prime is 7888231621603. The next prime is 7888231621661. The reversal of 7888231621612 is 2161261328887.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11962098 + ... + 12604294.

It is an arithmetic number, because the mean of its divisors is an integer number (315935728080).

Almost surely, 2^{7888231621612} is an apocalyptic number.

It is an amenable number.

7888231621612 is a deficient number, since it is larger than the sum of its proper divisors (7276683326228).

7888231621612 is a wasteful number, since it uses less digits than its factorization.

7888231621612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649270 (or 649268 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 55.

The spelling of 7888231621612 in words is "seven trillion, eight hundred eighty-eight billion, two hundred thirty-one million, six hundred twenty-one thousand, six hundred twelve".