9478788500 has 48 divisors (see below), whose sum is σ = 20720411712. Its totient is φ = 3788084000.

The previous prime is 9478788467. The next prime is 9478788509. The reversal of 9478788500 is 58878749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9478788509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585515 + ... + 601485.

It is an arithmetic number, because the mean of its divisors is an integer number (431675244).

Almost surely, 2^9478788500 is an apocalyptic number.

It is an amenable number.

9478788500 is an abundant number, since it is smaller than the sum of its proper divisors (11241623212).

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

9478788500 is a wasteful number, since it uses less digits than its factorization.

9478788500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17177 (or 17165 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 56.

The square root of 9478788500 is about 97359.0699421477. The cubic root of 9478788500 is about 2116.3343337816.

The spelling of 9478788500 in words is "nine billion, four hundred seventy-eight million, seven hundred eighty-eight thousand, five hundred".