997273786035 has 16 divisors (see below), whose sum is σ = 1595651129856. Its totient is φ = 531874995168.

The previous prime is 997273786031. The next prime is 997273786049. The reversal of 997273786035 is 530687372799.

It is not a de Polignac number, because 997273786035 - 2² = 997273786031 is a prime.

It is a super-2 number, since 2×997273786035² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (997273786031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2590312 + ... + 2950298.

It is an arithmetic number, because the mean of its divisors is an integer number (99728195616).

Almost surely, 2^997273786035 is an apocalyptic number.

997273786035 is a deficient number, since it is larger than the sum of its proper divisors (598377343821).

997273786035 is a wasteful number, since it uses less digits than its factorization.

997273786035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544682.

The product of its (nonzero) digits is 120022560, while the sum is 66.

The spelling of 997273786035 in words is "nine hundred ninety-seven billion, two hundred seventy-three million, seven hundred eighty-six thousand, thirty-five".