87481722 has 16 divisors (see below), whose sum is σ = 175144320. Its totient is φ = 29130432.

The previous prime is 87481717. The next prime is 87481733. The reversal of 87481722 is 22718478.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (10946520).

Almost surely, 2^87481722 is an apocalyptic number.

87481722 is an abundant number, since it is smaller than the sum of its proper divisors (87662598).

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

87481722 is a wasteful number, since it uses less digits than its factorization.

87481722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077.

The product of its digits is 50176, while the sum is 39.

The square root of 87481722 is about 9353.1664157118. The cubic root of 87481722 is about 443.9210861294.

The spelling of 87481722 in words is "eighty-seven million, four hundred eighty-one thousand, seven hundred twenty-two".