87477122 has 8 divisors (see below), whose sum is σ = 132568716. Its totient is φ = 43287552.

The previous prime is 87477113. The next prime is 87477127. The reversal of 87477122 is 22177478.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75359761 + 12117361 = 8681^2 + 3481^2 .

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 (87477127) 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, 225263 + ... + 225650.

Almost surely, 2^87477122 is an apocalyptic number.

87477122 is a deficient number, since it is larger than the sum of its proper divisors (45091594).

87477122 is a wasteful number, since it uses less digits than its factorization.

87477122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451012.

The product of its digits is 43904, while the sum is 38.

The square root of 87477122 is about 9352.9205064514. The cubic root of 87477122 is about 443.9133051791.

The spelling of 87477122 in words is "eighty-seven million, four hundred seventy-seven thousand, one hundred twenty-two".