9986974862 has 4 divisors (see below), whose sum is σ = 14980462296. Its totient is φ = 4993487430.

The previous prime is 9986974859. The next prime is 9986974891. The reversal of 9986974862 is 2684796899.

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

It is a junction number, because it is equal to n+sod(n) for n = 9986974792 and 9986974801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2496743714 + ... + 2496743717.

It is an arithmetic number, because the mean of its divisors is an integer number (3745115574).

Almost surely, 2^9986974862 is an apocalyptic number.

9986974862 is a deficient number, since it is larger than the sum of its proper divisors (4993487434).

9986974862 is a wasteful number, since it uses less digits than its factorization.

9986974862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993487433.

The product of its digits is 94058496, while the sum is 68.

The square root of 9986974862 is about 99934.8530894002. The cubic root of 9986974862 is about 2153.4988899784.

The spelling of 9986974862 in words is "nine billion, nine hundred eighty-six million, nine hundred seventy-four thousand, eight hundred sixty-two".