87881106 has 8 divisors (see below), whose sum is σ = 175762224. Its totient is φ = 29293700.

The previous prime is 87881077. The next prime is 87881113. The reversal of 87881106 is 60118878.

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

87881106 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7323420 + ... + 7323431.

It is an arithmetic number, because the mean of its divisors is an integer number (21970278).

Almost surely, 2^87881106 is an apocalyptic number.

87881106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87881106 is a wasteful number, since it uses less digits than its factorization.

87881106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14646856.

The product of its (nonzero) digits is 21504, while the sum is 39.

The square root of 87881106 is about 9374.4923062532. The cubic root of 87881106 is about 444.5956112498.

The spelling of 87881106 in words is "eighty-seven million, eight hundred eighty-one thousand, one hundred six".