87751112 has 8 divisors (see below), whose sum is σ = 164533350. Its totient is φ = 43875552.

The previous prime is 87751099. The next prime is 87751121. The reversal of 87751112 is 21115778.

It can be written as a sum of positive squares in only one way, i.e., 74891716 + 12859396 = 8654^2 + 3586^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5484437 + ... + 5484452.

Almost surely, 2^87751112 is an apocalyptic number.

It is an amenable number.

87751112 is a deficient number, since it is larger than the sum of its proper divisors (76782238).

87751112 is a wasteful number, since it uses less digits than its factorization.

87751112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10968895 (or 10968891 counting only the distinct ones).

The product of its digits is 3920, while the sum is 32.

The square root of 87751112 is about 9367.5563515786. The cubic root of 87751112 is about 444.3762873447.

The spelling of 87751112 in words is "eighty-seven million, seven hundred fifty-one thousand, one hundred twelve".