9872986379 has 4 divisors (see below), whose sum is σ = 9897126120. Its totient is φ = 9848846640.

The previous prime is 9872986373. The next prime is 9872986399. The reversal of 9872986379 is 9736892789.

9872986379 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9872986379 - 2⁴ = 9872986363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9872986373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12069257 + ... + 12070074.

It is an arithmetic number, because the mean of its divisors is an integer number (2474281530).

Almost surely, 2^9872986379 is an apocalyptic number.

9872986379 is a deficient number, since it is larger than the sum of its proper divisors (24139741).

9872986379 is a wasteful number, since it uses less digits than its factorization.

9872986379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24139740.

The product of its digits is 82301184, while the sum is 68.

The square root of 9872986379 is about 99362.9024284214. The cubic root of 9872986379 is about 2145.2743786822.

The spelling of 9872986379 in words is "nine billion, eight hundred seventy-two million, nine hundred eighty-six thousand, three hundred seventy-nine".