78383169696 has 384 divisors, whose sum is σ = 248127909120. Its totient is φ = 21403533312.

The previous prime is 78383169647. The next prime is 78383169719. The reversal of 78383169696 is 69696138387.

It is a super-2 number, since 2×78383169696² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 135845760 + ... + 135846336.

It is an arithmetic number, because the mean of its divisors is an integer number (646166430).

Almost surely, 2^78383169696 is an apocalyptic number.

78383169696 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 78383169696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124063954560).

78383169696 is an abundant number, since it is smaller than the sum of its proper divisors (169744739424).

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

78383169696 is a wasteful number, since it uses less digits than its factorization.

78383169696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 968 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 66.

The spelling of 78383169696 in words is "seventy-eight billion, three hundred eighty-three million, one hundred sixty-nine thousand, six hundred ninety-six".