86528347 has 4 divisors (see below), whose sum is σ = 89319616. Its totient is φ = 83737080.

The previous prime is 86528303. The next prime is 86528359. The reversal of 86528347 is 74382568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86528347 - 2⁷ = 86528219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86528647) 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, 1395588 + ... + 1395649.

It is an arithmetic number, because the mean of its divisors is an integer number (22329904).

Almost surely, 2^86528347 is an apocalyptic number.

86528347 is a deficient number, since it is larger than the sum of its proper divisors (2791269).

86528347 is a wasteful number, since it uses less digits than its factorization.

86528347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791268.

The product of its digits is 322560, while the sum is 43.

The square root of 86528347 is about 9302.0614381974. The cubic root of 86528347 is about 442.3025763426.

The spelling of 86528347 in words is "eighty-six million, five hundred twenty-eight thousand, three hundred forty-seven".