86789388 has 72 divisors (see below), whose sum is σ = 239195712. Its totient is φ = 24415776.

The previous prime is 86789377. The next prime is 86789393. The reversal of 86789388 is 88398768.

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 23 ways as a sum of consecutive naturals, for example, 38295 + ... + 40497.

Almost surely, 2^86789388 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 86789388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119597856).

86789388 is an abundant number, since it is smaller than the sum of its proper divisors (152406324).

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

86789388 is a wasteful number, since it uses less digits than its factorization.

86789388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2282 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The square root of 86789388 is about 9316.0822237677. The cubic root of 86789388 is about 442.7469131730.

The spelling of 86789388 in words is "eighty-six million, seven hundred eighty-nine thousand, three hundred eighty-eight".