87687422 has 8 divisors (see below), whose sum is σ = 131576400. Its totient is φ = 43828624.

The previous prime is 87687421. The next prime is 87687433. The reversal of 87687422 is 22478678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87687421) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2279 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (16447050).

Almost surely, 2^87687422 is an apocalyptic number.

87687422 is a deficient number, since it is larger than the sum of its proper divisors (43888978).

87687422 is a wasteful number, since it uses less digits than its factorization.

87687422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15090.

The product of its digits is 301056, while the sum is 44.

The square root of 87687422 is about 9364.1562353476. The cubic root of 87687422 is about 444.2687514774.

The spelling of 87687422 in words is "eighty-seven million, six hundred eighty-seven thousand, four hundred twenty-two".