7790943394780 has 96 divisors (see below), whose sum is σ = 20141686849536. Its totient is φ = 2465081323776.

The previous prime is 7790943394769. The next prime is 7790943394811. The reversal of 7790943394780 is 874933490977.

It is a super-2 number, since 2×7790943394780² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6680397 + ... + 7759483.

It is an arithmetic number, because the mean of its divisors is an integer number (209809238016).

Almost surely, 2^{7790943394780} is an apocalyptic number.

7790943394780 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7790943394780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10070843424768).

7790943394780 is an abundant number, since it is smaller than the sum of its proper divisors (12350743454756).

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

7790943394780 is a wasteful number, since it uses less digits than its factorization.

7790943394780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083083 (or 1083081 counting only the distinct ones).

The product of its (nonzero) digits is 288054144, while the sum is 70.

The spelling of 7790943394780 in words is "seven trillion, seven hundred ninety billion, nine hundred forty-three million, three hundred ninety-four thousand, seven hundred eighty".