86389528 has 8 divisors (see below), whose sum is σ = 161980380. Its totient is φ = 43194760.

The previous prime is 86389507. The next prime is 86389547. The reversal of 86389528 is 82598368.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5399338 + ... + 5399353.

Almost surely, 2^86389528 is an apocalyptic number.

It is an amenable number.

86389528 is a deficient number, since it is larger than the sum of its proper divisors (75590852).

86389528 is a wasteful number, since it uses less digits than its factorization.

86389528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10798697 (or 10798693 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 86389528 is about 9294.5967099170. The cubic root of 86389528 is about 442.0659183847.

The spelling of 86389528 in words is "eighty-six million, three hundred eighty-nine thousand, five hundred twenty-eight".