8452320778 has 8 divisors (see below), whose sum is σ = 13831070400. Its totient is φ = 3841963980.

The previous prime is 8452320769. The next prime is 8452320781. The reversal of 8452320778 is 8770232548.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 192098178 + ... + 192098221.

It is an arithmetic number, because the mean of its divisors is an integer number (1728883800).

Almost surely, 2^8452320778 is an apocalyptic number.

8452320778 is a deficient number, since it is larger than the sum of its proper divisors (5378749622).

8452320778 is a wasteful number, since it uses less digits than its factorization.

8452320778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384196412.

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 8452320778 is about 91936.5040557884. The cubic root of 8452320778 is about 2037.0045087077.

The spelling of 8452320778 in words is "eight billion, four hundred fifty-two million, three hundred twenty thousand, seven hundred seventy-eight".