9880147556 has 12 divisors (see below), whose sum is σ = 17295176892. Its totient is φ = 4938668448.

The previous prime is 9880147553. The next prime is 9880147577. The reversal of 9880147556 is 6557410889.

It can be written as a sum of positive squares in 2 ways, for example, as 6338707456 + 3541440100 = 79616^2 + 59510^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9880147498 and 9880147507.

It is not an unprimeable number, because it can be changed into a prime (9880147553) 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, 335435 + ... + 363698.

It is an arithmetic number, because the mean of its divisors is an integer number (1441264741).

Almost surely, 2^9880147556 is an apocalyptic number.

It is an amenable number.

9880147556 is a deficient number, since it is larger than the sum of its proper divisors (7415029336).

9880147556 is a wasteful number, since it uses less digits than its factorization.

9880147556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702670 (or 702668 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 53.

The square root of 9880147556 is about 99398.9313624649. The cubic root of 9880147556 is about 2145.7929308914.

The spelling of 9880147556 in words is "nine billion, eight hundred eighty million, one hundred forty-seven thousand, five hundred fifty-six".