87106649 has 8 divisors (see below), whose sum is σ = 99609600. Its totient is φ = 74618496.

The previous prime is 87106637. The next prime is 87106661. The reversal of 87106649 is 94660178.

It is an interprime number because it is at equal distance from previous prime (87106637) and next prime (87106661).

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

It is a cyclic number.

It is not a de Polignac number, because 87106649 - 2¹² = 87102553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87106609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15752 + ... + 20550.

It is an arithmetic number, because the mean of its divisors is an integer number (12451200).

Almost surely, 2^87106649 is an apocalyptic number.

It is an amenable number.

87106649 is a deficient number, since it is larger than the sum of its proper divisors (12502951).

87106649 is a wasteful number, since it uses less digits than its factorization.

87106649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 87106649 is about 9333.0942886055. The cubic root of 87106649 is about 443.2857483113.

The spelling of 87106649 in words is "eighty-seven million, one hundred six thousand, six hundred forty-nine".