7730078520140 has 12 divisors (see below), whose sum is σ = 16233164892336. Its totient is φ = 3092031408048.

The previous prime is 7730078520103. The next prime is 7730078520167. The reversal of 7730078520140 is 410258700377.

It is a super-2 number, since 2×7730078520140² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7730078520091 and 7730078520100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193251962984 + ... + 193251963023.

It is an arithmetic number, because the mean of its divisors is an integer number (1352763741028).

Almost surely, 2^{7730078520140} is an apocalyptic number.

It is an amenable number.

7730078520140 is an abundant number, since it is smaller than the sum of its proper divisors (8503086372196).

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

7730078520140 is a wasteful number, since it uses less digits than its factorization.

7730078520140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386503926016 (or 386503926014 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 7730078520140 in words is "seven trillion, seven hundred thirty billion, seventy-eight million, five hundred twenty thousand, one hundred forty".