87618822 has 32 divisors (see below), whose sum is σ = 183727872. Its totient is φ = 27803424.

The previous prime is 87618793. The next prime is 87618827. The reversal of 87618822 is 22881678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87618827) 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 15 ways as a sum of consecutive naturals, for example, 29928 + ... + 32724.

It is an arithmetic number, because the mean of its divisors is an integer number (5741496).

Almost surely, 2^87618822 is an apocalyptic number.

87618822 is an abundant number, since it is smaller than the sum of its proper divisors (96109050).

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

87618822 is a wasteful number, since it uses less digits than its factorization.

87618822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052.

The product of its digits is 86016, while the sum is 42.

The square root of 87618822 is about 9360.4926152420. The cubic root of 87618822 is about 444.1528671742.

The spelling of 87618822 in words is "eighty-seven million, six hundred eighteen thousand, eight hundred twenty-two".