999998880010 has 64 divisors (see below), whose sum is σ = 2072808499104. Its totient is φ = 344070144000.

The previous prime is 999998879987. The next prime is 999998880011. The reversal of 999998880010 is 10088899999.

999998880010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 380366994121 + 619631885889 = 616739^2 + 787167^2 .

It is not an unprimeable number, because it can be changed into a prime (999998880011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2016831 + ... + 2463250.

Almost surely, 2^999998880010 is an apocalyptic number.

999998880010 is an abundant number, since it is smaller than the sum of its proper divisors (1072809619094).

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

999998880010 is a wasteful number, since it uses less digits than its factorization.

999998880010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480219.

The product of its (nonzero) digits is 30233088, while the sum is 70.

The spelling of 999998880010 in words is "nine hundred ninety-nine billion, nine hundred ninety-eight million, eight hundred eighty thousand, ten".