86787528 has 16 divisors (see below), whose sum is σ = 216968880. Its totient is φ = 28929168.

The previous prime is 86787511. The next prime is 86787541. The reversal of 86787528 is 82578768.

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 3 ways as a sum of consecutive naturals, for example, 1808050 + ... + 1808097.

It is an arithmetic number, because the mean of its divisors is an integer number (13560555).

Almost surely, 2^86787528 is an apocalyptic number.

It is an amenable number.

86787528 is an abundant number, since it is smaller than the sum of its proper divisors (130181352).

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

86787528 is a wasteful number, since it uses less digits than its factorization.

86787528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616156 (or 3616152 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 51.

The square root of 86787528 is about 9315.9823958614. The cubic root of 86787528 is about 442.7437502857.

It can be divided in two parts, 867875 and 28, that added together give a triangular number (867903 = T₁₃₁₇).

The spelling of 86787528 in words is "eighty-six million, seven hundred eighty-seven thousand, five hundred twenty-eight".