87471516158 has 32 divisors (see below), whose sum is σ = 145149260256. Its totient is φ = 39279034368.

The previous prime is 87471516113. The next prime is 87471516161. The reversal of 87471516158 is 85161517478.

It is a happy number.

It is a super-2 number, since 2×87471516158² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135110 + ... + 439542.

It is an arithmetic number, because the mean of its divisors is an integer number (4535914383).

Almost surely, 2^87471516158 is an apocalyptic number.

87471516158 is a deficient number, since it is larger than the sum of its proper divisors (57677744098).

87471516158 is a wasteful number, since it uses less digits than its factorization.

87471516158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304748.

The product of its digits is 1881600, while the sum is 53.

The spelling of 87471516158 in words is "eighty-seven billion, four hundred seventy-one million, five hundred sixteen thousand, one hundred fifty-eight".