7875028855643 has 16 divisors (see below), whose sum is σ = 8227040989440. Its totient is φ = 7523823456864.

The previous prime is 7875028855609. The next prime is 7875028855663. The reversal of 7875028855643 is 3465588205787.

It is a cyclic number.

It is not a de Polignac number, because 7875028855643 - 2⁶ = 7875028855579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7875028855663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69969548 + ... + 70082006.

It is an arithmetic number, because the mean of its divisors is an integer number (514190061840).

Almost surely, 2^{7875028855643} is an apocalyptic number.

7875028855643 is a deficient number, since it is larger than the sum of its proper divisors (352012133797).

7875028855643 is a wasteful number, since it uses less digits than its factorization.

7875028855643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116018.

The product of its (nonzero) digits is 451584000, while the sum is 68.

The spelling of 7875028855643 in words is "seven trillion, eight hundred seventy-five billion, twenty-eight million, eight hundred fifty-five thousand, six hundred forty-three".