7988228551 has 16 divisors (see below), whose sum is σ = 8279814400. Its totient is φ = 7701946560.

The previous prime is 7988228537. The next prime is 7988228581. The reversal of 7988228551 is 1558228897.

It is a cyclic number.

It is not a de Polignac number, because 7988228551 - 2⁵ = 7988228519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7988228492 and 7988228501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7988228581) 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, 1463275 + ... + 1468723.

It is an arithmetic number, because the mean of its divisors is an integer number (517488400).

Almost surely, 2^7988228551 is an apocalyptic number.

7988228551 is a deficient number, since it is larger than the sum of its proper divisors (291585849).

7988228551 is a wasteful number, since it uses less digits than its factorization.

7988228551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5926.

The product of its digits is 3225600, while the sum is 55.

The square root of 7988228551 is about 89376.8904751111. The cubic root of 7988228551 is about 1999.0185643875.

The spelling of 7988228551 in words is "seven billion, nine hundred eighty-eight million, two hundred twenty-eight thousand, five hundred fifty-one".