86621101 has 16 divisors (see below), whose sum is σ = 100932480. Its totient is φ = 72809280.

The previous prime is 86621089. The next prime is 86621113. The reversal of 86621101 is 10112668.

It is an interprime number because it is at equal distance from previous prime (86621089) and next prime (86621113).

It is a cyclic number.

It is not a de Polignac number, because 86621101 - 2⁷ = 86620973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86621131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81111 + ... + 82171.

It is an arithmetic number, because the mean of its divisors is an integer number (6308280).

Almost surely, 2^86621101 is an apocalyptic number.

It is an amenable number.

86621101 is a deficient number, since it is larger than the sum of its proper divisors (14311379).

86621101 is a wasteful number, since it uses less digits than its factorization.

86621101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 86621101 is about 9307.0457718870. The cubic root of 86621101 is about 442.4605618825.

Adding to 86621101 its reverse (10112668), we get a palindrome (96733769).

The spelling of 86621101 in words is "eighty-six million, six hundred twenty-one thousand, one hundred one".