8250778325 has 12 divisors (see below), whose sum is σ = 10448646720. Its totient is φ = 6460182960.

The previous prime is 8250778279. The next prime is 8250778337. The reversal of 8250778325 is 5238770528.

It is a happy number.

It is not a de Polignac number, because 8250778325 - 2⁸ = 8250778069 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 8250778325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3509795 + ... + 3512144.

It is an arithmetic number, because the mean of its divisors is an integer number (870720560).

Almost surely, 2^8250778325 is an apocalyptic number.

It is an amenable number.

8250778325 is a deficient number, since it is larger than the sum of its proper divisors (2197868395).

8250778325 is a wasteful number, since it uses less digits than its factorization.

8250778325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021996 (or 7021991 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 8250778325 is about 90833.7950599885. The cubic root of 8250778325 is about 2020.6835517097.

The spelling of 8250778325 in words is "eight billion, two hundred fifty million, seven hundred seventy-eight thousand, three hundred twenty-five".