997378302706 has 8 divisors (see below), whose sum is σ = 1532556904284. Its totient is φ = 486526001280.

The previous prime is 997378302689. The next prime is 997378302721. The reversal of 997378302706 is 607203873799.

It can be written as a sum of positive squares in 2 ways, for example, as 984212805625 + 13165497081 = 992075^2 + 114741^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6081574935 + ... + 6081575098.

Almost surely, 2^997378302706 is an apocalyptic number.

997378302706 is a deficient number, since it is larger than the sum of its proper divisors (535178601578).

997378302706 is a wasteful number, since it uses less digits than its factorization.

997378302706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12163150076.

The product of its (nonzero) digits is 24004512, while the sum is 61.

The spelling of 997378302706 in words is "nine hundred ninety-seven billion, three hundred seventy-eight million, three hundred two thousand, seven hundred six".