80631480996 has 144 divisors (see below), whose sum is σ = 237189603840. Its totient is φ = 23645476800.

The previous prime is 80631480961. The next prime is 80631480997. The reversal of 80631480996 is 69908413608.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (80631480997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305590 + ... + 504626.

Almost surely, 2^80631480996 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 80631480996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118594801920).

80631480996 is an abundant number, since it is smaller than the sum of its proper divisors (156558122844).

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

80631480996 is a wasteful number, since it uses less digits than its factorization.

80631480996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199103 (or 199084 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 80631480996 in words is "eighty billion, six hundred thirty-one million, four hundred eighty thousand, nine hundred ninety-six".