997882803451 has 2 divisors, whose sum is σ = 997882803452. Its totient is φ = 997882803450.

The previous prime is 997882803439. The next prime is 997882803479. The reversal of 997882803451 is 154308288799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 997882803451 - 2¹¹ = 997882801403 is a prime.

It is not a weakly prime, because it can be changed into another prime (997882803751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498941401725 + 498941401726.

It is an arithmetic number, because the mean of its divisors is an integer number (498941401726).

Almost surely, 2^997882803451 is an apocalyptic number.

997882803451 is a deficient number, since it is larger than the sum of its proper divisors (1).

997882803451 is an equidigital number, since it uses as much as digits as its factorization.

997882803451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 997882803451 in words is "nine hundred ninety-seven billion, eight hundred eighty-two million, eight hundred three thousand, four hundred fifty-one".