80196543378 has 192 divisors, whose sum is σ = 205730703360. Its totient is φ = 22107292416.

The previous prime is 80196543337. The next prime is 80196543379. The reversal of 80196543378 is 87334569108.

80196543378 is a `hidden beast` number, since 8 + 0 + 1 + 96 + 543 + 3 + 7 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (80196543379) 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, 110311251 + ... + 110311977.

It is an arithmetic number, because the mean of its divisors is an integer number (1071514080).

Almost surely, 2^80196543378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80196543378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102865351680).

80196543378 is an abundant number, since it is smaller than the sum of its proper divisors (125534159982).

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

80196543378 is a wasteful number, since it uses less digits than its factorization.

80196543378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 80196543378 in words is "eighty billion, one hundred ninety-six million, five hundred forty-three thousand, three hundred seventy-eight".