86028785 has 16 divisors (see below), whose sum is σ = 105598080. Its totient is φ = 67261440.

The previous prime is 86028779. The next prime is 86028791. The reversal of 86028785 is 58782068.

It is an interprime number because it is at equal distance from previous prime (86028779) and next prime (86028791).

It is not a de Polignac number, because 86028785 - 2¹⁶ = 85963249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56180 + ... + 57690.

It is an arithmetic number, because the mean of its divisors is an integer number (6599880).

Almost surely, 2^86028785 is an apocalyptic number.

It is an amenable number.

86028785 is a deficient number, since it is larger than the sum of its proper divisors (19569295).

86028785 is a wasteful number, since it uses less digits than its factorization.

86028785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 86028785 is about 9275.1703488400. The cubic root of 86028785 is about 441.4497377015.

The spelling of 86028785 in words is "eighty-six million, twenty-eight thousand, seven hundred eighty-five".