87681122 has 8 divisors (see below), whose sum is σ = 131561472. Its totient is φ = 43827300.

The previous prime is 87681079. The next prime is 87681127. The reversal of 87681122 is 22118678.

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

It is not an unprimeable number, because it can be changed into a prime (87681127) 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, 9047 + ... + 16037.

It is an arithmetic number, because the mean of its divisors is an integer number (16445184).

Almost surely, 2^87681122 is an apocalyptic number.

87681122 is a deficient number, since it is larger than the sum of its proper divisors (43880350).

87681122 is a wasteful number, since it uses less digits than its factorization.

87681122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13264.

The product of its digits is 10752, while the sum is 35.

The square root of 87681122 is about 9363.8198402148. The cubic root of 87681122 is about 444.2581115623.

The spelling of 87681122 in words is "eighty-seven million, six hundred eighty-one thousand, one hundred twenty-two".