8555978032 has 40 divisors (see below), whose sum is σ = 18954231296. Its totient is φ = 3665134656.

The previous prime is 8555978017. The next prime is 8555978033. The reversal of 8555978032 is 2308795558.

It is not an unprimeable number, because it can be changed into a prime (8555978033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239443 + ... + 272845.

Almost surely, 2^8555978032 is an apocalyptic number.

It is an amenable number.

8555978032 is an abundant number, since it is smaller than the sum of its proper divisors (10398253264).

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

8555978032 is a wasteful number, since it uses less digits than its factorization.

8555978032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35705 (or 35699 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 52.

The square root of 8555978032 is about 92498.5298910204. The cubic root of 8555978032 is about 2045.2978112956.

The spelling of 8555978032 in words is "eight billion, five hundred fifty-five million, nine hundred seventy-eight thousand, thirty-two".