8125724008 has 8 divisors (see below), whose sum is σ = 15235732530. Its totient is φ = 4062862000.

The previous prime is 8125724003. The next prime is 8125724017. The reversal of 8125724008 is 8004275218.

It can be written as a sum of positive squares in only one way, i.e., 5426090244 + 2699633764 = 73662^2 + 51958^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (8125724003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507857743 + ... + 507857758.

Almost surely, 2^8125724008 is an apocalyptic number.

It is an amenable number.

8125724008 is a deficient number, since it is larger than the sum of its proper divisors (7110008522).

8125724008 is a wasteful number, since it uses less digits than its factorization.

8125724008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015715507 (or 1015715503 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 8125724008 is about 90142.7978709336. The cubic root of 8125724008 is about 2010.4225911131.

The spelling of 8125724008 in words is "eight billion, one hundred twenty-five million, seven hundred twenty-four thousand, eight".