86606858 has 8 divisors (see below), whose sum is σ = 139903428. Its totient is φ = 39972384.

The previous prime is 86606843. The next prime is 86606893. The reversal of 86606858 is 85860668.

It can be written as a sum of positive squares in 2 ways, for example, as 86359849 + 247009 = 9293^2 + 497^2 .

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

It is a Curzon number.

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, 1665491 + ... + 1665542.

Almost surely, 2^86606858 is an apocalyptic number.

86606858 is a deficient number, since it is larger than the sum of its proper divisors (53296570).

86606858 is a wasteful number, since it uses less digits than its factorization.

86606858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331048.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 86606858 is about 9306.2805674448. The cubic root of 86606858 is about 442.4363094731.

The spelling of 86606858 in words is "eighty-six million, six hundred six thousand, eight hundred fifty-eight".