798303195648 has 420 divisors, whose sum is σ = 2781985738950. Its totient is φ = 228081401856.

The previous prime is 798303195587. The next prime is 798303195727. The reversal of 798303195648 is 846591303897.

798303195648 is a `hidden beast` number, since 7 + 9 + 8 + 30 + 31 + 9 + 564 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 681536104704 + 116767090944 = 825552^2 + 341712^2 .

It is a super-2 number, since 2×798303195648² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 18267328 + ... + 18310976.

Almost surely, 2^798303195648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798303195648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390992869475).

798303195648 is an abundant number, since it is smaller than the sum of its proper divisors (1983682543302).

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

798303195648 is an frugal number, since it uses more digits than its factorization.

798303195648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43699 (or 43661 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 798303195648 in words is "seven hundred ninety-eight billion, three hundred three million, one hundred ninety-five thousand, six hundred forty-eight".