87851368 has 16 divisors (see below), whose sum is σ = 179696160. Its totient is φ = 39932400.

The previous prime is 87851341. The next prime is 87851399. The reversal of 87851368 is 86315878.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 499068 + ... + 499243.

It is an arithmetic number, because the mean of its divisors is an integer number (11231010).

Almost surely, 2^87851368 is an apocalyptic number.

87851368 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

87851368 is an abundant number, since it is smaller than the sum of its proper divisors (91844792).

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

87851368 is a wasteful number, since it uses less digits than its factorization.

87851368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998328 (or 998324 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 87851368 is about 9372.9060594887. The cubic root of 87851368 is about 444.5454568367.

It can be divided in two parts, 8785 and 1368, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 87851368 in words is "eighty-seven million, eight hundred fifty-one thousand, three hundred sixty-eight".