7871428650793 has 16 divisors (see below), whose sum is σ = 8063592615936. Its totient is φ = 7679683403280.

The previous prime is 7871428650763. The next prime is 7871428650817. The reversal of 7871428650793 is 3970568241787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7871428650793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7871428650713) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 149703198 + ... + 149755768.

It is an arithmetic number, because the mean of its divisors is an integer number (503974538496).

It is a 1-persistent number, because it is pandigital, but 2⋅7871428650793 = 15742857301586 is not.

Almost surely, 2^{7871428650793} is an apocalyptic number.

It is an amenable number.

7871428650793 is a deficient number, since it is larger than the sum of its proper divisors (192163965143).

7871428650793 is a wasteful number, since it uses less digits than its factorization.

7871428650793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56484.

The product of its (nonzero) digits is 142248960, while the sum is 67.

The spelling of 7871428650793 in words is "seven trillion, eight hundred seventy-one billion, four hundred twenty-eight million, six hundred fifty thousand, seven hundred ninety-three".