8250778144 has 24 divisors (see below), whose sum is σ = 18564251328. Its totient is φ = 3536047680.

The previous prime is 8250778141. The next prime is 8250778163. The reversal of 8250778144 is 4418770528.

It is a junction number, because it is equal to n+sod(n) for n = 8250778094 and 8250778103.

It is not an unprimeable number, because it can be changed into a prime (8250778141) 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, 18416692 + ... + 18417139.

It is an arithmetic number, because the mean of its divisors is an integer number (773510472).

Almost surely, 2^8250778144 is an apocalyptic number.

It is an amenable number.

8250778144 is an abundant number, since it is smaller than the sum of its proper divisors (10313473184).

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

8250778144 is a wasteful number, since it uses less digits than its factorization.

8250778144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36833848 (or 36833840 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 46.

The square root of 8250778144 is about 90833.7940636633. The cubic root of 8250778144 is about 2020.6835369335.

The spelling of 8250778144 in words is "eight billion, two hundred fifty million, seven hundred seventy-eight thousand, one hundred forty-four".