9851687870086 has 8 divisors (see below), whose sum is σ = 15254226379584. Its totient is φ = 4766945743560.

The previous prime is 9851687869999. The next prime is 9851687870093. The reversal of 9851687870086 is 6800787861589.

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

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 3 ways as a sum of consecutive naturals, for example, 79449095665 + ... + 79449095788.

It is an arithmetic number, because the mean of its divisors is an integer number (1906778297448).

Almost surely, 2^{9851687870086} is an apocalyptic number.

9851687870086 is a deficient number, since it is larger than the sum of its proper divisors (5402538509498).

9851687870086 is a wasteful number, since it uses less digits than its factorization.

9851687870086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158898191486.

The product of its (nonzero) digits is 325140480, while the sum is 73.

The spelling of 9851687870086 in words is "nine trillion, eight hundred fifty-one billion, six hundred eighty-seven million, eight hundred seventy thousand, eighty-six".