80818922777376 has 768 divisors, whose sum is σ = 265359222374400. Its totient is φ = 21039564091392.

The previous prime is 80818922777347. The next prime is 80818922777413. The reversal of 80818922777376 is 67377722981808.

It is a junction number, because it is equal to n+sod(n) for n = 80818922777298 and 80818922777307.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4979899630 + ... + 4979915858.

It is an arithmetic number, because the mean of its divisors is an integer number (345519820800).

Almost surely, 2^{80818922777376} is an apocalyptic number.

80818922777376 is a gapful number since it is divisible by the number (86) 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 80818922777376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132679611187200).

80818922777376 is an abundant number, since it is smaller than the sum of its proper divisors (184540299597024).

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

80818922777376 is a wasteful number, since it uses less digits than its factorization.

80818922777376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16501 (or 16493 counting only the distinct ones).

The product of its (nonzero) digits is 796594176, while the sum is 75.

The spelling of 80818922777376 in words is "eighty trillion, eight hundred eighteen billion, nine hundred twenty-two million, seven hundred seventy-seven thousand, three hundred seventy-six".