8493600978 has 32 divisors (see below), whose sum is σ = 18941872320. Its totient is φ = 2821119840.

The previous prime is 8493600923. The next prime is 8493601037. The reversal of 8493600978 is 8790063948.

8493600978 is a `hidden beast` number, since 8 + 493 + 60 + 0 + 97 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264700 + ... + 295047.

It is an arithmetic number, because the mean of its divisors is an integer number (591933510).

Almost surely, 2^8493600978 is an apocalyptic number.

8493600978 is an abundant number, since it is smaller than the sum of its proper divisors (10448271342).

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

8493600978 is a wasteful number, since it uses less digits than its factorization.

8493600978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560039 (or 560033 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 8493600978 is about 92160.7344697296. The cubic root of 8493600978 is about 2040.3152929628.

The spelling of 8493600978 in words is "eight billion, four hundred ninety-three million, six hundred thousand, nine hundred seventy-eight".