7900386943756 has 12 divisors (see below), whose sum is σ = 13825703161368. Its totient is φ = 3950186040512.

The previous prime is 7900386943651. The next prime is 7900386943777. The reversal of 7900386943756 is 6573496830097.

It is a super-2 number, since 2×7900386943756² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7900386943691 and 7900386943700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034475 + ... + 4107421.

It is an arithmetic number, because the mean of its divisors is an integer number (1152141930114).

Almost surely, 2^{7900386943756} is an apocalyptic number.

It is an amenable number.

7900386943756 is a deficient number, since it is larger than the sum of its proper divisors (5925316217612).

7900386943756 is a wasteful number, since it uses less digits than its factorization.

7900386943756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715688 (or 3715686 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 67.

The spelling of 7900386943756 in words is "seven trillion, nine hundred billion, three hundred eighty-six million, nine hundred forty-three thousand, seven hundred fifty-six".