858294923563 has 16 divisors (see below), whose sum is σ = 1087624316160. Its totient is φ = 657837280800.

The previous prime is 858294923533. The next prime is 858294923617. The reversal of 858294923563 is 365329492858.

It is not a de Polignac number, because 858294923563 - 2¹⁷ = 858294792491 is a prime.

It is a super-2 number, since 2×858294923563² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 858294923495 and 858294923504.

It is not an unprimeable number, because it can be changed into a prime (858294923533) 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, 91361593 + ... + 91370986.

It is an arithmetic number, because the mean of its divisors is an integer number (67976519760).

Almost surely, 2^858294923563 is an apocalyptic number.

858294923563 is a deficient number, since it is larger than the sum of its proper divisors (229329392597).

858294923563 is a wasteful number, since it uses less digits than its factorization.

858294923563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182732658.

The product of its digits is 111974400, while the sum is 64.

The spelling of 858294923563 in words is "eight hundred fifty-eight billion, two hundred ninety-four million, nine hundred twenty-three thousand, five hundred sixty-three".