78803660922 has 192 divisors, whose sum is σ = 202155160320. Its totient is φ = 20323989504.

The previous prime is 78803660917. The next prime is 78803660927. The reversal of 78803660922 is 22906630887.

It is an interprime number because it is at equal distance from previous prime (78803660917) and next prime (78803660927).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (78803660927) 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, 22754163 + ... + 22757625.

It is an arithmetic number, because the mean of its divisors is an integer number (1052891460).

Almost surely, 2^78803660922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78803660922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101077580160).

78803660922 is an abundant number, since it is smaller than the sum of its proper divisors (123351499398).

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

78803660922 is a wasteful number, since it uses less digits than its factorization.

78803660922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685 (or 3678 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 78803660922 in words is "seventy-eight billion, eight hundred three million, six hundred sixty thousand, nine hundred twenty-two".