990276663 has 16 divisors (see below), whose sum is σ = 1338163200. Its totient is φ = 651339360.

The previous prime is 990276611. The next prime is 990276697. The reversal of 990276663 is 366672099.

It is not a de Polignac number, because 990276663 - 2¹⁰ = 990275639 is a prime.

It is a super-3 number, since 3×990276663³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990276563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71818 + ... + 84488.

It is an arithmetic number, because the mean of its divisors is an integer number (83635200).

Almost surely, 2^990276663 is an apocalyptic number.

990276663 is a deficient number, since it is larger than the sum of its proper divisors (347886537).

990276663 is a wasteful number, since it uses less digits than its factorization.

990276663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13022.

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 990276663 is about 31468.6616016633. The cubic root of 990276663 is about 996.7483257416.

The spelling of 990276663 in words is "nine hundred ninety million, two hundred seventy-six thousand, six hundred sixty-three".