86734885 has 8 divisors (see below), whose sum is σ = 106620696. Its totient is φ = 67695360.

The previous prime is 86734873. The next prime is 86734889. The reversal of 86734885 is 58843768.

It can be written as a sum of positive squares in 4 ways, for example, as 2916 + 86731969 = 54^2 + 9313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86734885 - 2⁷ = 86734757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86734889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211344 + ... + 211753.

It is an arithmetic number, because the mean of its divisors is an integer number (13327587).

Almost surely, 2^86734885 is an apocalyptic number.

It is an amenable number.

86734885 is a deficient number, since it is larger than the sum of its proper divisors (19885811).

86734885 is a wasteful number, since it uses less digits than its factorization.

86734885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423143.

The product of its digits is 1290240, while the sum is 49.

The square root of 86734885 is about 9313.1565540369. The cubic root of 86734885 is about 442.6542133292.

The spelling of 86734885 in words is "eighty-six million, seven hundred thirty-four thousand, eight hundred eighty-five".