86433780 has 96 divisors (see below), whose sum is σ = 259096320. Its totient is φ = 21452800.

The previous prime is 86433773. The next prime is 86433791. The reversal of 86433780 is 8733468.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102601 + ... + 103439.

It is an arithmetic number, because the mean of its divisors is an integer number (2698920).

Almost surely, 2^86433780 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 86433780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129548160).

86433780 is an abundant number, since it is smaller than the sum of its proper divisors (172662540).

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

86433780 is a wasteful number, since it uses less digits than its factorization.

86433780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 86433780 is about 9296.9769280127. The cubic root of 86433780 is about 442.1413864892.

The spelling of 86433780 in words is "eighty-six million, four hundred thirty-three thousand, seven hundred eighty".