86981864698 has 8 divisors (see below), whose sum is σ = 132124351680. Its totient is φ = 42940414140.

The previous prime is 86981864677. The next prime is 86981864699. The reversal of 86981864698 is 89646818968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 86981864698.

It is not an unprimeable number, because it can be changed into a prime (86981864699) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 275258908 + ... + 275259223.

It is an arithmetic number, because the mean of its divisors is an integer number (16515543960).

Almost surely, 2^86981864698 is an apocalyptic number.

86981864698 is a deficient number, since it is larger than the sum of its proper divisors (45142486982).

86981864698 is a wasteful number, since it uses less digits than its factorization.

86981864698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550518212.

The product of its digits is 286654464, while the sum is 73.

The spelling of 86981864698 in words is "eighty-six billion, nine hundred eighty-one million, eight hundred sixty-four thousand, six hundred ninety-eight".