80099699680 has 1152 divisors, whose sum is σ = 283053367296. Its totient is φ = 20702822400.

The previous prime is 80099699657. The next prime is 80099699699. The reversal of 80099699680 is 8699699008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1097256124 + ... + 1097256196.

It is an arithmetic number, because the mean of its divisors is an integer number (245706048).

Almost surely, 2^80099699680 is an apocalyptic number.

80099699680 is a gapful number since it is divisible by the number (80) 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 80099699680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141526683648).

80099699680 is an abundant number, since it is smaller than the sum of its proper divisors (202953667616).

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

80099699680 is a wasteful number, since it uses less digits than its factorization.

80099699680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 64.

The spelling of 80099699680 in words is "eighty billion, ninety-nine million, six hundred ninety-nine thousand, six hundred eighty".