86731650 has 36 divisors (see below), whose sum is σ = 233020242. Its totient is φ = 23128320.

The previous prime is 86731639. The next prime is 86731661. The reversal of 86731650 is 5613768.

It is an interprime number because it is at equal distance from previous prime (86731639) and next prime (86731661).

It can be written as a sum of positive squares in 3 ways, for example, as 84768849 + 1962801 = 9207^2 + 1401^2 .

It is a super-2 number, since 2×86731650² = 15044758223445000, which contains 22 as substring.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 95919 + ... + 96818.

Almost surely, 2^86731650 is an apocalyptic number.

86731650 is an abundant number, since it is smaller than the sum of its proper divisors (146288592).

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

86731650 is a wasteful number, since it uses less digits than its factorization.

86731650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192755 (or 192747 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 86731650 is about 9312.9828733870. The cubic root of 86731650 is about 442.6487099527.

The spelling of 86731650 in words is "eighty-six million, seven hundred thirty-one thousand, six hundred fifty".