9888056551 has 32 divisors (see below), whose sum is σ = 10876723200. Its totient is φ = 8957329920.

The previous prime is 9888056537. The next prime is 9888056557. The reversal of 9888056551 is 1556508889.

9888056551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9888056551 - 2⁹ = 9888056039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9888056492 and 9888056501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888056557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8804476 + ... + 8805598.

It is an arithmetic number, because the mean of its divisors is an integer number (339897600).

Almost surely, 2^9888056551 is an apocalyptic number.

9888056551 is a deficient number, since it is larger than the sum of its proper divisors (988666649).

9888056551 is a wasteful number, since it uses less digits than its factorization.

9888056551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399.

The product of its (nonzero) digits is 3456000, while the sum is 55.

The square root of 9888056551 is about 99438.7075086960. The cubic root of 9888056551 is about 2146.3653426922.

The spelling of 9888056551 in words is "nine billion, eight hundred eighty-eight million, fifty-six thousand, five hundred fifty-one".