86850724 has 6 divisors (see below), whose sum is σ = 151988774. Its totient is φ = 43425360.

The previous prime is 86850721. The next prime is 86850727. The reversal of 86850724 is 42705868.

It is an interprime number because it is at equal distance from previous prime (86850721) and next prime (86850727).

It can be written as a sum of positive squares in only one way, i.e., 86825124 + 25600 = 9318^2 + 160^2 .

It is a super-3 number, since 3×86850724³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (86850721) 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 as a sum of consecutive naturals, namely, 10856337 + ... + 10856344.

Almost surely, 2^86850724 is an apocalyptic number.

It is an amenable number.

86850724 is a deficient number, since it is larger than the sum of its proper divisors (65138050).

86850724 is a wasteful number, since it uses less digits than its factorization.

86850724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21712685 (or 21712683 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 86850724 is about 9319.3735840989. The cubic root of 86850724 is about 442.8511883249.

The spelling of 86850724 in words is "eighty-six million, eight hundred fifty thousand, seven hundred twenty-four".