86536690 has 8 divisors (see below), whose sum is σ = 155766060. Its totient is φ = 34614672.

The previous prime is 86536687. The next prime is 86536693. The reversal of 86536690 is 9663568.

It is an interprime number because it is at equal distance from previous prime (86536687) and next prime (86536693).

It can be written as a sum of positive squares in 2 ways, for example, as 83704201 + 2832489 = 9149^2 + 1683^2 .

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

It is a super-2 number, since 2×86536690² = 14977197432312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86536693) 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 3 ways as a sum of consecutive naturals, for example, 4326825 + ... + 4326844.

Almost surely, 2^86536690 is an apocalyptic number.

86536690 is a deficient number, since it is larger than the sum of its proper divisors (69229370).

86536690 is a wasteful number, since it uses less digits than its factorization.

86536690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653676.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 86536690 is about 9302.5098763721. The cubic root of 86536690 is about 442.3167913828.

The spelling of 86536690 in words is "eighty-six million, five hundred thirty-six thousand, six hundred ninety".