86947180930 has 16 divisors (see below), whose sum is σ = 158118380280. Its totient is φ = 34420326912.

The previous prime is 86947180843. The next prime is 86947181021. The reversal of 86947180930 is 3908174968.

It can be written as a sum of positive squares in 4 ways, for example, as 69586746849 + 17360434081 = 263793^2 + 131759^2 .

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, 44817165 + ... + 44819104.

Almost surely, 2^86947180930 is an apocalyptic number.

86947180930 is a deficient number, since it is larger than the sum of its proper divisors (71171199350).

86947180930 is a wasteful number, since it uses less digits than its factorization.

86947180930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89636373.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 86947180930 in words is "eighty-six billion, nine hundred forty-seven million, one hundred eighty thousand, nine hundred thirty".