78804246075822 has 192 divisors, whose sum is σ = 192531331399680. Its totient is φ = 24082487218944.

The previous prime is 78804246075791. The next prime is 78804246075823. The reversal of 78804246075822 is 22857064240887.

78804246075822 is a `hidden beast` number, since 7 + 8 + 8 + 0 + 4 + 2 + 46 + 0 + 7 + 582 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 78804246075822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78804246075823) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 43522963 + ... + 45297425.

It is an arithmetic number, because the mean of its divisors is an integer number (1002767351040).

Almost surely, 2^{78804246075822} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78804246075822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96265665699840).

78804246075822 is an abundant number, since it is smaller than the sum of its proper divisors (113727085323858).

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

78804246075822 is a wasteful number, since it uses less digits than its factorization.

78804246075822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774669 (or 1774657 counting only the distinct ones).

The product of its (nonzero) digits is 96337920, while the sum is 63.

The spelling of 78804246075822 in words is "seventy-eight trillion, eight hundred four billion, two hundred forty-six million, seventy-five thousand, eight hundred twenty-two".