80465299668 has 192 divisors, whose sum is σ = 244116275200. Its totient is φ = 22698610560.

The previous prime is 80465299639. The next prime is 80465299669. The reversal of 80465299668 is 86699256408.

80465299668 is a `hidden beast` number, since 8 + 0 + 46 + 529 + 9 + 6 + 68 = 666.

It is a super-2 number, since 2×80465299668² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80465299669) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 778305 + ... + 875607.

Almost surely, 2^80465299668 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 80465299668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122058137600).

80465299668 is an abundant number, since it is smaller than the sum of its proper divisors (163650975532).

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

80465299668 is a wasteful number, since it uses less digits than its factorization.

80465299668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97379 (or 97371 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 80465299668 in words is "eighty billion, four hundred sixty-five million, two hundred ninety-nine thousand, six hundred sixty-eight".