7866143226 has 16 divisors (see below), whose sum is σ = 17480318400. Its totient is φ = 2622047724.

The previous prime is 7866143171. The next prime is 7866143227. The reversal of 7866143226 is 6223416687.

7866143226 is a `hidden beast` number, since 7 + 8 + 6 + 614 + 3 + 2 + 26 = 666.

It is not an unprimeable number, because it can be changed into a prime (7866143227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72834606 + ... + 72834713.

It is an arithmetic number, because the mean of its divisors is an integer number (1092519900).

Almost surely, 2^7866143226 is an apocalyptic number.

7866143226 is an abundant number, since it is smaller than the sum of its proper divisors (9614175174).

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

7866143226 is a wasteful number, since it uses less digits than its factorization.

7866143226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145669330 (or 145669324 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 7866143226 is about 88691.2804395111. The cubic root of 7866143226 is about 1988.7824699713.

The spelling of 7866143226 in words is "seven billion, eight hundred sixty-six million, one hundred forty-three thousand, two hundred twenty-six".