854315815775 has 24 divisors (see below), whose sum is σ = 1075343811984. Its totient is φ = 673138540800.

The previous prime is 854315815739. The next prime is 854315815777. The reversal of 854315815775 is 577518513458.

It is not a de Polignac number, because 854315815775 - 2⁸ = 854315815519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854315815777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10715459 + ... + 10794891.

It is an arithmetic number, because the mean of its divisors is an integer number (44805992166).

Almost surely, 2^854315815775 is an apocalyptic number.

854315815775 is a deficient number, since it is larger than the sum of its proper divisors (221027996209).

854315815775 is a wasteful number, since it uses less digits than its factorization.

854315815775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85931 (or 85926 counting only the distinct ones).

The product of its digits is 23520000, while the sum is 59.

The spelling of 854315815775 in words is "eight hundred fifty-four billion, three hundred fifteen million, eight hundred fifteen thousand, seven hundred seventy-five".