87173368 has 16 divisors (see below), whose sum is σ = 172053000. Its totient is φ = 41292576.

The previous prime is 87173363. The next prime is 87173371. The reversal of 87173368 is 86337178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87173363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286603 + ... + 286906.

Almost surely, 2^87173368 is an apocalyptic number.

It is an amenable number.

87173368 is a deficient number, since it is larger than the sum of its proper divisors (84879632).

87173368 is a wasteful number, since it uses less digits than its factorization.

87173368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573534 (or 573530 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 87173368 is about 9336.6679281208. The cubic root of 87173368 is about 443.3988970942.

The spelling of 87173368 in words is "eighty-seven million, one hundred seventy-three thousand, three hundred sixty-eight".