86500780 has 12 divisors (see below), whose sum is σ = 181651680. Its totient is φ = 34600304.

The previous prime is 86500751. The next prime is 86500781. The reversal of 86500780 is 8700568.

It is not an unprimeable number, because it can be changed into a prime (86500781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162500 + ... + 2162539.

It is an arithmetic number, because the mean of its divisors is an integer number (15137640).

Almost surely, 2^86500780 is an apocalyptic number.

It is an amenable number.

86500780 is an abundant number, since it is smaller than the sum of its proper divisors (95150900).

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

86500780 is a wasteful number, since it uses less digits than its factorization.

86500780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325048 (or 4325046 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 86500780 is about 9300.5795518344. The cubic root of 86500780 is about 442.2556004068.

The spelling of 86500780 in words is "eighty-six million, five hundred thousand, seven hundred eighty".