8725130278 has 4 divisors (see below), whose sum is σ = 13087695420. Its totient is φ = 4362565138.

The previous prime is 8725130257. The next prime is 8725130279. The reversal of 8725130278 is 8720315278.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×8725130278² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725130279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2181282568 + ... + 2181282571.

It is an arithmetic number, because the mean of its divisors is an integer number (3271923855).

Almost surely, 2^8725130278 is an apocalyptic number.

8725130278 is a deficient number, since it is larger than the sum of its proper divisors (4362565142).

8725130278 is a wasteful number, since it uses less digits than its factorization.

8725130278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4362565141.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 8725130278 is about 93408.4058208896. The cubic root of 8725130278 is about 2058.6885074447.

The spelling of 8725130278 in words is "eight billion, seven hundred twenty-five million, one hundred thirty thousand, two hundred seventy-eight".