8125810832 has 20 divisors (see below), whose sum is σ = 15749357676. Its totient is φ = 4061460480.

The previous prime is 8125810831. The next prime is 8125810843. The reversal of 8125810832 is 2380185218.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2699425936 + 5426384896 = 51956^2 + 73664^2 .

It is not an unprimeable number, because it can be changed into a prime (8125810831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43169 + ... + 134592.

Almost surely, 2^8125810832 is an apocalyptic number.

It is an amenable number.

8125810832 is a deficient number, since it is larger than the sum of its proper divisors (7623546844).

8125810832 is a wasteful number, since it uses less digits than its factorization.

8125810832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180626 (or 180620 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 8125810832 is about 90143.2794610891. The cubic root of 8125810832 is about 2010.4297515954.

The spelling of 8125810832 in words is "eight billion, one hundred twenty-five million, eight hundred ten thousand, eight hundred thirty-two".