297868861728 has 96 divisors (see below), whose sum is σ = 914509713600. Its totient is φ = 94063845888.

The previous prime is 297868861721. The next prime is 297868861811. The reversal of 297868861728 is 827168868792.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (297868861721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9056101 + ... + 9088932.

It is an arithmetic number, because the mean of its divisors is an integer number (9526142850).

Almost surely, 2^297868861728 is an apocalyptic number.

It is an amenable number.

297868861728 is an abundant number, since it is smaller than the sum of its proper divisors (616640851872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

297868861728 is a wasteful number, since it uses less digits than its factorization.

297868861728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18145071 (or 18145057 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 72.

The spelling of 297868861728 in words is "two hundred ninety-seven billion, eight hundred sixty-eight million, eight hundred sixty-one thousand, seven hundred twenty-eight".