996980281478 has 8 divisors (see below), whose sum is σ = 1495745796720. Its totient is φ = 498398349240.

The previous prime is 996980281459. The next prime is 996980281511. The reversal of 996980281478 is 874182089699.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45882173 + ... + 45903896.

It is an arithmetic number, because the mean of its divisors is an integer number (186968224590).

Almost surely, 2^996980281478 is an apocalyptic number.

996980281478 is a deficient number, since it is larger than the sum of its proper divisors (498765515242).

996980281478 is a wasteful number, since it uses less digits than its factorization.

996980281478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91791502.

The product of its (nonzero) digits is 125411328, while the sum is 71.

The spelling of 996980281478 in words is "nine hundred ninety-six billion, nine hundred eighty million, two hundred eighty-one thousand, four hundred seventy-eight".