997600296678 has 8 divisors (see below), whose sum is σ = 1995200593368. Its totient is φ = 332533432224.

The previous prime is 997600296629. The next prime is 997600296779. The reversal of 997600296678 is 876692006799.

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

997600296678 is an admirable number.

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, 83133358051 + ... + 83133358062.

It is an arithmetic number, because the mean of its divisors is an integer number (249400074171).

Almost surely, 2^997600296678 is an apocalyptic number.

997600296678 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997600296678 is a wasteful number, since it uses less digits than its factorization.

997600296678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166266716118.

The product of its (nonzero) digits is 123451776, while the sum is 69.

The spelling of 997600296678 in words is "nine hundred ninety-seven billion, six hundred million, two hundred ninety-six thousand, six hundred seventy-eight".