999860000802 has 32 divisors (see below), whose sum is σ = 2194177543488. Its totient is φ = 301844527296.

The previous prime is 999860000801. The next prime is 999860000831. The reversal of 999860000802 is 208000068999.

It is not an unprimeable number, because it can be changed into a prime (999860000801) 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 15 ways as a sum of consecutive naturals, for example, 120927168 + ... + 120935435.

It is an arithmetic number, because the mean of its divisors is an integer number (68568048234).

Almost surely, 2^999860000802 is an apocalyptic number.

999860000802 is an abundant number, since it is smaller than the sum of its proper divisors (1194317542686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999860000802 is a wasteful number, since it uses less digits than its factorization.

999860000802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241862674.

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 999860000802 in words is "nine hundred ninety-nine billion, eight hundred sixty million, eight hundred two", and thus it is an aban number.