87688850 has 12 divisors (see below), whose sum is σ = 163101354. Its totient is φ = 35075520.

The previous prime is 87688847. The next prime is 87688859. The reversal of 87688850 is 5888678.

It can be written as a sum of positive squares in 3 ways, for example, as 79156609 + 8532241 = 8897^2 + 2921^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 1753777 = 87688850 / (8 + 7 + 6 + 8 + 8 + 8 + 5 + 0).

It is not an unprimeable number, because it can be changed into a prime (87688859) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 876839 + ... + 876938.

Almost surely, 2^87688850 is an apocalyptic number.

87688850 is a deficient number, since it is larger than the sum of its proper divisors (75412504).

87688850 is a wasteful number, since it uses less digits than its factorization.

87688850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753789 (or 1753784 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 50.

The square root of 87688850 is about 9364.2324832311. The cubic root of 87688850 is about 444.2711631206.

The spelling of 87688850 in words is "eighty-seven million, six hundred eighty-eight thousand, eight hundred fifty".