9880487478 has 24 divisors (see below), whose sum is σ = 21576292608. Its totient is φ = 3267562032.

The previous prime is 9880487447. The next prime is 9880487503. The reversal of 9880487478 is 8747840889.

9880487478 is a `hidden beast` number, since 9 + 8 + 80 + 4 + 87 + 478 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2158801 + ... + 2163372.

It is an arithmetic number, because the mean of its divisors is an integer number (899012192).

Almost surely, 2^9880487478 is an apocalyptic number.

9880487478 is an abundant number, since it is smaller than the sum of its proper divisors (11695805130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9880487478 is a wasteful number, since it uses less digits than its factorization.

9880487478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322308 (or 4322305 counting only the distinct ones).

The product of its (nonzero) digits is 28901376, while the sum is 63.

The square root of 9880487478 is about 99400.6412353562. The cubic root of 9880487478 is about 2145.8175389537.

The spelling of 9880487478 in words is "nine billion, eight hundred eighty million, four hundred eighty-seven thousand, four hundred seventy-eight".