997952584763 has 2 divisors, whose sum is σ = 997952584764. Its totient is φ = 997952584762.

The previous prime is 997952584687. The next prime is 997952584789. The reversal of 997952584763 is 367485259799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 997952584763 - 2¹⁰ = 997952583739 is a prime.

It is a super-2 number, since 2×997952584763² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (997952584063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498976292381 + 498976292382.

It is an arithmetic number, because the mean of its divisors is an integer number (498976292382).

Almost surely, 2^997952584763 is an apocalyptic number.

997952584763 is a deficient number, since it is larger than the sum of its proper divisors (1).

997952584763 is an equidigital number, since it uses as much as digits as its factorization.

997952584763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1028764800, while the sum is 74.

The spelling of 997952584763 in words is "nine hundred ninety-seven billion, nine hundred fifty-two million, five hundred eighty-four thousand, seven hundred sixty-three".