87106903 has 8 divisors (see below), whose sum is σ = 93879968. Its totient is φ = 80344224.

The previous prime is 87106891. The next prime is 87106907. The reversal of 87106903 is 30960178.

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 87106903 - 2⁵ = 87106871 is a prime.

It is a super-2 number, since 2×87106903² = 15175225100502818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87106907) 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 7 ways as a sum of consecutive naturals, for example, 31201 + ... + 33877.

It is an arithmetic number, because the mean of its divisors is an integer number (11734996).

Almost surely, 2^87106903 is an apocalyptic number.

87106903 is a deficient number, since it is larger than the sum of its proper divisors (6773065).

87106903 is a wasteful number, since it uses less digits than its factorization.

87106903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 87106903 is about 9333.1078960869. The cubic root of 87106903 is about 443.2861791796.

The spelling of 87106903 in words is "eighty-seven million, one hundred six thousand, nine hundred three".