80996462920 has 128 divisors (see below), whose sum is σ = 190435795200. Its totient is φ = 30966240256.

The previous prime is 80996462863. The next prime is 80996462929. The reversal of 80996462920 is 2926469908.

It is not an unprimeable number, because it can be changed into a prime (80996462929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56759247 + ... + 56760673.

It is an arithmetic number, because the mean of its divisors is an integer number (1487779650).

Almost surely, 2^80996462920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80996462920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95217897600).

80996462920 is an abundant number, since it is smaller than the sum of its proper divisors (109439332280).

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

80996462920 is a wasteful number, since it uses less digits than its factorization.

80996462920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927 (or 1923 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 80996462920 in words is "eighty billion, nine hundred ninety-six million, four hundred sixty-two thousand, nine hundred twenty".