87481422 has 48 divisors (see below), whose sum is σ = 229368672. Its totient is φ = 23523840.

The previous prime is 87481403. The next prime is 87481441. The reversal of 87481422 is 22418478.

It is an interprime number because it is at equal distance from previous prime (87481403) and next prime (87481441).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18279 + ... + 22562.

It is an arithmetic number, because the mean of its divisors is an integer number (4778514).

Almost surely, 2^87481422 is an apocalyptic number.

87481422 is an abundant number, since it is smaller than the sum of its proper divisors (141887250).

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

87481422 is a wasteful number, since it uses less digits than its factorization.

87481422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40873 (or 40870 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 87481422 is about 9353.1503783485. The cubic root of 87481422 is about 443.9205786844.

The spelling of 87481422 in words is "eighty-seven million, four hundred eighty-one thousand, four hundred twenty-two".