297497947797 has 8 divisors (see below), whose sum is σ = 440737700480. Its totient is φ = 198331965180.

The previous prime is 297497947793. The next prime is 297497947801. The reversal of 297497947797 is 797749794792.

297497947797 is a `hidden beast` number, since 2 + 9 + 74 + 9 + 79 + 477 + 9 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (297497947793) and next prime (297497947801).

It is not a de Polignac number, because 297497947797 - 2² = 297497947793 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297497947793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5509221229 + ... + 5509221282.

It is an arithmetic number, because the mean of its divisors is an integer number (55092212560).

Almost surely, 2^297497947797 is an apocalyptic number.

297497947797 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

297497947797 is a deficient number, since it is larger than the sum of its proper divisors (143239752683).

297497947797 is a wasteful number, since it uses less digits than its factorization.

297497947797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018442520 (or 11018442514 counting only the distinct ones).

The product of its digits is 3528663264, while the sum is 81.

The spelling of 297497947797 in words is "two hundred ninety-seven billion, four hundred ninety-seven million, nine hundred forty-seven thousand, seven hundred ninety-seven".