7853226378 has 32 divisors (see below), whose sum is σ = 15952003584. Its totient is φ = 2576871792.

The previous prime is 7853226377. The next prime is 7853226401. The reversal of 7853226378 is 8736223587.

It is a happy number.

It is a super-2 number, since 2×7853226378² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7853226378.

It is not an unprimeable number, because it can be changed into a prime (7853226377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648051 + ... + 660057.

It is an arithmetic number, because the mean of its divisors is an integer number (498500112).

Almost surely, 2^7853226378 is an apocalyptic number.

7853226378 is an abundant number, since it is smaller than the sum of its proper divisors (8098777206).

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

7853226378 is a wasteful number, since it uses less digits than its factorization.

7853226378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13706.

The product of its digits is 3386880, while the sum is 51.

The square root of 7853226378 is about 88618.4313672951. The cubic root of 7853226378 is about 1987.6932926363.

The spelling of 7853226378 in words is "seven billion, eight hundred fifty-three million, two hundred twenty-six thousand, three hundred seventy-eight".