7875863538863 has 2 divisors, whose sum is σ = 7875863538864. Its totient is φ = 7875863538862.

The previous prime is 7875863538787. The next prime is 7875863538877. The reversal of 7875863538863 is 3688353685787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7875863538863 - 2⁸ = 7875863538607 is a prime.

It is a super-2 number, since 2×7875863538863² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7875863531863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937931769431 + 3937931769432.

It is an arithmetic number, because the mean of its divisors is an integer number (3937931769432).

Almost surely, 2^{7875863538863} is an apocalyptic number.

7875863538863 is a deficient number, since it is larger than the sum of its proper divisors (1).

7875863538863 is an equidigital number, since it uses as much as digits as its factorization.

7875863538863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4877107200, while the sum is 77.

The spelling of 7875863538863 in words is "seven trillion, eight hundred seventy-five billion, eight hundred sixty-three million, five hundred thirty-eight thousand, eight hundred sixty-three".