9880587928 has 16 divisors (see below), whose sum is σ = 18840105000. Its totient is φ = 4856559936.

The previous prime is 9880587919. The next prime is 9880587931. The reversal of 9880587928 is 8297850889.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9880587928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10466253 + ... + 10467196.

Almost surely, 2^9880587928 is an apocalyptic number.

It is an amenable number.

9880587928 is a deficient number, since it is larger than the sum of its proper divisors (8959517072).

9880587928 is a wasteful number, since it uses less digits than its factorization.

9880587928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20933514 (or 20933510 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 64.

The square root of 9880587928 is about 99401.1465125026. The cubic root of 9880587928 is about 2145.8248107488.

The spelling of 9880587928 in words is "nine billion, eight hundred eighty million, five hundred eighty-seven thousand, nine hundred twenty-eight".