80065677648 has 160 divisors (see below), whose sum is σ = 239160442752. Its totient is φ = 22811443200.

The previous prime is 80065677647. The next prime is 80065677719. The reversal of 80065677648 is 84677656008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80065677647) 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 31 ways as a sum of consecutive naturals, for example, 9806688 + ... + 9814848.

Almost surely, 2^80065677648 is an apocalyptic number.

80065677648 is a gapful number since it is divisible by the number (88) 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 80065677648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119580221376).

80065677648 is an abundant number, since it is smaller than the sum of its proper divisors (159094765104).

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

80065677648 is a wasteful number, since it uses less digits than its factorization.

80065677648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9293 (or 9287 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 80065677648 in words is "eighty billion, sixty-five million, six hundred seventy-seven thousand, six hundred forty-eight".