87835868 has 6 divisors (see below), whose sum is σ = 153712776. Its totient is φ = 43917932.

The previous prime is 87835859. The next prime is 87835871. The reversal of 87835868 is 86853878.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10979480 + ... + 10979487.

It is an arithmetic number, because the mean of its divisors is an integer number (25618796).

Almost surely, 2^87835868 is an apocalyptic number.

It is an amenable number.

87835868 is a deficient number, since it is larger than the sum of its proper divisors (65876908).

87835868 is a wasteful number, since it uses less digits than its factorization.

87835868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21958971 (or 21958969 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 53.

The square root of 87835868 is about 9372.0791716673. The cubic root of 87835868 is about 444.5193109344.

The spelling of 87835868 in words is "eighty-seven million, eight hundred thirty-five thousand, eight hundred sixty-eight".