87919266 has 16 divisors (see below), whose sum is σ = 176919264. Its totient is φ = 29126304.

The previous prime is 87919261. The next prime is 87919277. The reversal of 87919266 is 66291978.

It is not an unprimeable number, because it can be changed into a prime (87919261) 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 7 ways as a sum of consecutive naturals, for example, 43971 + ... + 45926.

It is an arithmetic number, because the mean of its divisors is an integer number (11057454).

Almost surely, 2^87919266 is an apocalyptic number.

87919266 is an abundant number, since it is smaller than the sum of its proper divisors (88999998).

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

87919266 is a wasteful number, since it uses less digits than its factorization.

87919266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90065.

The product of its digits is 326592, while the sum is 48.

The square root of 87919266 is about 9376.5273955767. The cubic root of 87919266 is about 444.6599531554.

The spelling of 87919266 in words is "eighty-seven million, nine hundred nineteen thousand, two hundred sixty-six".