297885648864 has 48 divisors (see below), whose sum is σ = 791847947520. Its totient is φ = 98038312320.

The previous prime is 297885648773. The next prime is 297885648899. The reversal of 297885648864 is 468846588792.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19631502 + ... + 19646669.

It is an arithmetic number, because the mean of its divisors is an integer number (16496832240).

Almost surely, 2^297885648864 is an apocalyptic number.

297885648864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

297885648864 is an abundant number, since it is smaller than the sum of its proper divisors (493962298656).

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

297885648864 is a wasteful number, since it uses less digits than its factorization.

297885648864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39278263 (or 39278255 counting only the distinct ones).

The product of its digits is 1486356480, while the sum is 75.

The spelling of 297885648864 in words is "two hundred ninety-seven billion, eight hundred eighty-five million, six hundred forty-eight thousand, eight hundred sixty-four".