868505345298 has 24 divisors (see below), whose sum is σ = 1921799063808. Its totient is φ = 283342169112.

The previous prime is 868505345273. The next prime is 868505345303. The reversal of 868505345298 is 892543505868.

868505345298 is a `hidden beast` number, since 8 + 6 + 8 + 5 + 0 + 534 + 5 + 2 + 98 = 666.

It is a super-2 number, since 2×868505345298² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513300186 + ... + 513301877.

It is an arithmetic number, because the mean of its divisors is an integer number (80074960992).

Almost surely, 2^868505345298 is an apocalyptic number.

868505345298 is an abundant number, since it is smaller than the sum of its proper divisors (1053293718510).

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

868505345298 is a wasteful number, since it uses less digits than its factorization.

868505345298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026602118 (or 1026602115 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 63.

The spelling of 868505345298 in words is "eight hundred sixty-eight billion, five hundred five million, three hundred forty-five thousand, two hundred ninety-eight".