80650896 has 80 divisors (see below), whose sum is σ = 220938240. Its totient is φ = 25280640.

The previous prime is 80650879. The next prime is 80650897. The reversal of 80650896 is 69805608.

It is not an unprimeable number, because it can be changed into a prime (80650897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173961 + ... + 174423.

It is an arithmetic number, because the mean of its divisors is an integer number (2761728).

Almost surely, 2^80650896 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 80650896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110469120).

80650896 is an abundant number, since it is smaller than the sum of its proper divisors (140287344).

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

80650896 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (80650895) it forms an eRAP, since the sums of their prime factors are consecutive (683 and 684).

80650896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 80650896 is about 8980.5843907844. The cubic root of 80650896 is about 432.0523770513.

The spelling of 80650896 in words is "eighty million, six hundred fifty thousand, eight hundred ninety-six".