86660100 has 54 divisors (see below), whose sum is σ = 271634090. Its totient is φ = 23109120.

The previous prime is 86660089. The next prime is 86660107. The reversal of 86660100 is 106668.

It can be written as a sum of positive squares in 3 ways, for example, as 7485696 + 79174404 = 2736^2 + 8898^2 .

It is not an unprimeable number, because it can be changed into a prime (86660107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 47245 + ... + 49044.

Almost surely, 2^86660100 is an apocalyptic number.

It is an amenable number.

86660100 is an abundant number, since it is smaller than the sum of its proper divisors (184973990).

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

86660100 is a wasteful number, since it uses less digits than its factorization.

86660100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96309 (or 96299 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 86660100 is about 9309.1406692562. The cubic root of 86660100 is about 442.5269542137.

Adding to 86660100 its reverse (106668), we get a palindrome (86766768).

The spelling of 86660100 in words is "eighty-six million, six hundred sixty thousand, one hundred".