1002097007797 has 2 divisors, whose sum is σ = 1002097007798. Its totient is φ = 1002097007796.

The previous prime is 1002097007771. The next prime is 1002097007809. The reversal of 1002097007797 is 7977007902001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 999572045796 + 2524962001 = 999786^2 + 50249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002097007797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002097007797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002097007767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501048503898 + 501048503899.

It is an arithmetic number, because the mean of its divisors is an integer number (501048503899).

Almost surely, 2^{1002097007797} is an apocalyptic number.

It is an amenable number.

1002097007797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002097007797 is an equidigital number, since it uses as much as digits as its factorization.

1002097007797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388962, while the sum is 49.

The spelling of 1002097007797 in words is "one trillion, two billion, ninety-seven million, seven thousand, seven hundred ninety-seven".