86450980 has 96 divisors (see below), whose sum is σ = 229743360. Its totient is φ = 26542080.

The previous prime is 86450963. The next prime is 86450999. The reversal of 86450980 is 8905468.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 112036 + ... + 112804.

It is an arithmetic number, because the mean of its divisors is an integer number (2393160).

Almost surely, 2^86450980 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 86450980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114871680).

86450980 is an abundant number, since it is smaller than the sum of its proper divisors (143292380).

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

86450980 is a wasteful number, since it uses less digits than its factorization.

86450980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 86450980 is about 9297.9019138728. The cubic root of 86450980 is about 442.1707127066.

The spelling of 86450980 in words is "eighty-six million, four hundred fifty thousand, nine hundred eighty".