854315815776 has 48 divisors (see below), whose sum is σ = 2360609496000. Its totient is φ = 269783941248.

The previous prime is 854315815739. The next prime is 854315815777. The reversal of 854315815776 is 677518513458.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 234185626 + ... + 234189273.

It is an arithmetic number, because the mean of its divisors is an integer number (49179364500).

Almost surely, 2^854315815776 is an apocalyptic number.

It is an amenable number.

854315815776 is an abundant number, since it is smaller than the sum of its proper divisors (1506293680224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

854315815776 is a wasteful number, since it uses less digits than its factorization.

854315815776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468374931 (or 468374923 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 60.

The spelling of 854315815776 in words is "eight hundred fifty-four billion, three hundred fifteen million, eight hundred fifteen thousand, seven hundred seventy-six".