87471486 has 48 divisors (see below), whose sum is σ = 193752000. Its totient is φ = 28514304.

The previous prime is 87471479. The next prime is 87471521. The reversal of 87471486 is 68417478.

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 194590 + ... + 195038.

It is an arithmetic number, because the mean of its divisors is an integer number (4036500).

Almost surely, 2^87471486 is an apocalyptic number.

87471486 is an abundant number, since it is smaller than the sum of its proper divisors (106280514).

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

87471486 is a wasteful number, since it uses less digits than its factorization.

87471486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 670 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 87471486 is about 9352.6192053349. The cubic root of 87471486 is about 443.9037714516.

The spelling of 87471486 in words is "eighty-seven million, four hundred seventy-one thousand, four hundred eighty-six".