853788863 has 2 divisors, whose sum is σ = 853788864. Its totient is φ = 853788862.

The previous prime is 853788857. The next prime is 853788889. The reversal of 853788863 is 368887358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 853788863 - 2⁴ = 853788847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 853788799 and 853788808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853488863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426894431 + 426894432.

It is an arithmetic number, because the mean of its divisors is an integer number (426894432).

Almost surely, 2^853788863 is an apocalyptic number.

853788863 is a deficient number, since it is larger than the sum of its proper divisors (1).

853788863 is an equidigital number, since it uses as much as digits as its factorization.

853788863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 56.

The square root of 853788863 is about 29219.6656893949. The cubic root of 853788863 is about 948.6736293425.

The spelling of 853788863 in words is "eight hundred fifty-three million, seven hundred eighty-eight thousand, eight hundred sixty-three".