73863822708 has 72 divisors (see below), whose sum is σ = 201258432648. Its totient is φ = 22706454528.

The previous prime is 73863822649. The next prime is 73863822743. The reversal of 73863822708 is 80722836837.

73863822708 is a `hidden beast` number, since 7 + 386 + 38 + 227 + 0 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3971268324 + 69892554384 = 63018^2 + 264372^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441460 + ... + 585332.

It is an arithmetic number, because the mean of its divisors is an integer number (2795256009).

Almost surely, 2^73863822708 is an apocalyptic number.

73863822708 is a gapful number since it is divisible by the number (78) 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 73863822708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100629216324).

73863822708 is an abundant number, since it is smaller than the sum of its proper divisors (127394609940).

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

73863822708 is a wasteful number, since it uses less digits than its factorization.

73863822708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144993 (or 144988 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 73863822708 in words is "seventy-three billion, eight hundred sixty-three million, eight hundred twenty-two thousand, seven hundred eight".