87143657930 has 32 divisors (see below), whose sum is σ = 179364278016. Its totient is φ = 29861604864.

The previous prime is 87143657927. The next prime is 87143657989. The reversal of 87143657930 is 3975634178.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207719 + ... + 466298.

It is an arithmetic number, because the mean of its divisors is an integer number (5605133688).

Almost surely, 2^87143657930 is an apocalyptic number.

87143657930 is an abundant number, since it is smaller than the sum of its proper divisors (92220620086).

87143657930 is a wasteful number, since it uses less digits than its factorization.

87143657930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675878.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 87143657930 in words is "eighty-seven billion, one hundred forty-three million, six hundred fifty-seven thousand, nine hundred thirty".