7805227803156 has 480 divisors, whose sum is σ = 26306292418560. Its totient is φ = 1966210557696.

The previous prime is 7805227803151. The next prime is 7805227803157. The reversal of 7805227803156 is 6513087225087.

7805227803156 is a `hidden beast` number, since 7 + 8 + 0 + 52 + 278 + 0 + 315 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7805227803151) by changing a digit.

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 159 ways as a sum of consecutive naturals, for example, 36564871 + ... + 36777713.

It is an arithmetic number, because the mean of its divisors is an integer number (54804775872).

Almost surely, 2^{7805227803156} is an apocalyptic number.

7805227803156 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7805227803156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13153146209280).

7805227803156 is an abundant number, since it is smaller than the sum of its proper divisors (18501064615404).

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

7805227803156 is a wasteful number, since it uses less digits than its factorization.

7805227803156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212945 (or 212934 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 7805227803156 in words is "seven trillion, eight hundred five billion, two hundred twenty-seven million, eight hundred three thousand, one hundred fifty-six".