87545822 has 16 divisors (see below), whose sum is σ = 161623392. Its totient is φ = 34633440.

The previous prime is 87545813. The next prime is 87545879. The reversal of 87545822 is 22854578.

It is a self number, because there is not a number n which added to its sum of digits gives 87545822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240329 + ... + 240692.

It is an arithmetic number, because the mean of its divisors is an integer number (10101462).

Almost surely, 2^87545822 is an apocalyptic number.

87545822 is a deficient number, since it is larger than the sum of its proper divisors (74077570).

87545822 is a wasteful number, since it uses less digits than its factorization.

87545822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481043.

The product of its digits is 179200, while the sum is 41.

The square root of 87545822 is about 9356.5924352833. The cubic root of 87545822 is about 444.0294836088.

The spelling of 87545822 in words is "eighty-seven million, five hundred forty-five thousand, eight hundred twenty-two".