8152816578 has 32 divisors (see below), whose sum is σ = 17474438016. Its totient is φ = 2529191808.

The previous prime is 8152816561. The next prime is 8152816583. The reversal of 8152816578 is 8756182518.

It is a self number, because there is not a number n which added to its sum of digits gives 8152816578.

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, 793251 + ... + 803462.

It is an arithmetic number, because the mean of its divisors is an integer number (546076188).

Almost surely, 2^8152816578 is an apocalyptic number.

8152816578 is an abundant number, since it is smaller than the sum of its proper divisors (9321621438).

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

8152816578 is a wasteful number, since it uses less digits than its factorization.

8152816578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596778.

The product of its digits is 1075200, while the sum is 51.

The square root of 8152816578 is about 90292.9486615649. The cubic root of 8152816578 is about 2012.6544780563.

The spelling of 8152816578 in words is "eight billion, one hundred fifty-two million, eight hundred sixteen thousand, five hundred seventy-eight".