990010279 has 8 divisors (see below), whose sum is σ = 1002019680. Its totient is φ = 978020736.

The previous prime is 990010277. The next prime is 990010349. The reversal of 990010279 is 972010099.

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

It is a cyclic number.

It is not a de Polignac number, because 990010279 - 2¹ = 990010277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990010277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111699 + ... + 120235.

It is an arithmetic number, because the mean of its divisors is an integer number (125252460).

Almost surely, 2^990010279 is an apocalyptic number.

990010279 is a deficient number, since it is larger than the sum of its proper divisors (12009401).

990010279 is a wasteful number, since it uses less digits than its factorization.

990010279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9929.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 990010279 is about 31464.4287887131. The cubic root of 990010279 is about 996.6589427683.

The spelling of 990010279 in words is "nine hundred ninety million, ten thousand, two hundred seventy-nine".