86807530 has 8 divisors (see below), whose sum is σ = 156253572. Its totient is φ = 34723008.

The previous prime is 86807521. The next prime is 86807551. The reversal of 86807530 is 3570868.

It can be written as a sum of positive squares in 2 ways, for example, as 86434209 + 373321 = 9297^2 + 611^2 .

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

It is a super-3 number, since 3×86807530³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86807530.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4340367 + ... + 4340386.

Almost surely, 2^86807530 is an apocalyptic number.

86807530 is a deficient number, since it is larger than the sum of its proper divisors (69446042).

86807530 is a wasteful number, since it uses less digits than its factorization.

86807530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8680760.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 86807530 is about 9317.0558654545. The cubic root of 86807530 is about 442.7777608571. Note that the first 4 decimals are identical.

The spelling of 86807530 in words is "eighty-six million, eight hundred seven thousand, five hundred thirty".