86385570 has 32 divisors (see below), whose sum is σ = 209829312. Its totient is φ = 22757952.

The previous prime is 86385557. The next prime is 86385583. The reversal of 86385570 is 7558368.

It is an interprime number because it is at equal distance from previous prime (86385557) and next prime (86385583).

It is a Curzon 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 in 15 ways as a sum of consecutive naturals, for example, 14857 + ... + 19836.

It is an arithmetic number, because the mean of its divisors is an integer number (6557166).

Almost surely, 2^86385570 is an apocalyptic number.

86385570 is an abundant number, since it is smaller than the sum of its proper divisors (123443742).

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

86385570 is a wasteful number, since it uses less digits than its factorization.

86385570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34786.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 86385570 is about 9294.3837880733. The cubic root of 86385570 is about 442.0591670895.

The spelling of 86385570 in words is "eighty-six million, three hundred eighty-five thousand, five hundred seventy".