996980281479 has 24 divisors (see below), whose sum is σ = 1772409390752. Its totient is φ = 525879708480.

The previous prime is 996980281459. The next prime is 996980281511. The reversal of 996980281479 is 974182089699.

996980281479 is a `hidden beast` number, since 99 + 69 + 8 + 0 + 2 + 8 + 1 + 479 = 666.

It is not a de Polignac number, because 996980281479 - 2¹² = 996980277383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996980281439) 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 23 ways as a sum of consecutive naturals, for example, 608656252 + ... + 608657889.

Almost surely, 2^996980281479 is an apocalyptic number.

996980281479 is a deficient number, since it is larger than the sum of its proper divisors (775429109273).

996980281479 is a wasteful number, since it uses less digits than its factorization.

996980281479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217314167 (or 1217314164 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 72.

The spelling of 996980281479 in words is "nine hundred ninety-six billion, nine hundred eighty million, two hundred eighty-one thousand, four hundred seventy-nine".