997365799934 has 12 divisors (see below), whose sum is σ = 1709776348584. Its totient is φ = 427440884232.

The previous prime is 997365799861. The next prime is 997365799987. The reversal of 997365799934 is 439997563799.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3603272 + ... + 3870180.

It is an arithmetic number, because the mean of its divisors is an integer number (142481362382).

Almost surely, 2^997365799934 is an apocalyptic number.

997365799934 is a deficient number, since it is larger than the sum of its proper divisors (712410548650).

997365799934 is an frugal number, since it uses more digits than its factorization.

997365799934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533827 (or 266918 counting only the distinct ones).

The product of its digits is 3124873080, while the sum is 80.

The spelling of 997365799934 in words is "nine hundred ninety-seven billion, three hundred sixty-five million, seven hundred ninety-nine thousand, nine hundred thirty-four".