9986920802 has 8 divisors (see below), whose sum is σ = 14980882476. Its totient is φ = 4993293312.

The previous prime is 9986920787. The next prime is 9986920813. The reversal of 9986920802 is 2080296899.

It can be written as a sum of positive squares in 2 ways, for example, as 7766720641 + 2220200161 = 88129^2 + 47119^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13898 + ... + 142010.

Almost surely, 2^9986920802 is an apocalyptic number.

9986920802 is a deficient number, since it is larger than the sum of its proper divisors (4993961674).

9986920802 is a wasteful number, since it uses less digits than its factorization.

9986920802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167092.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 9986920802 is about 99934.5826128273. The cubic root of 9986920802 is about 2153.4950043052.

The spelling of 9986920802 in words is "nine billion, nine hundred eighty-six million, nine hundred twenty thousand, eight hundred two".