7798740899320 has 64 divisors (see below), whose sum is σ = 20055004747200. Its totient is φ = 2673707412480.

The previous prime is 7798740899297. The next prime is 7798740899353. The reversal of 7798740899320 is 239980478977.

It is a super-2 number, since 2×7798740899320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4414716 + ... + 5923444.

It is an arithmetic number, because the mean of its divisors is an integer number (313359449175).

Almost surely, 2^{7798740899320} is an apocalyptic number.

7798740899320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7798740899320 is an abundant number, since it is smaller than the sum of its proper divisors (12256263847880).

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

7798740899320 is a wasteful number, since it uses less digits than its factorization.

7798740899320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527208 (or 1527204 counting only the distinct ones).

The product of its (nonzero) digits is 384072192, while the sum is 73.

The spelling of 7798740899320 in words is "seven trillion, seven hundred ninety-eight billion, seven hundred forty million, eight hundred ninety-nine thousand, three hundred twenty".