854955644572 has 24 divisors (see below), whose sum is σ = 1511101660320. Its totient is φ = 423212961600.

The previous prime is 854955644539. The next prime is 854955644579. The reversal of 854955644572 is 275446559458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854955644579) 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, 5714254 + ... + 5861962.

It is an arithmetic number, because the mean of its divisors is an integer number (62962569180).

Almost surely, 2^854955644572 is an apocalyptic number.

It is an amenable number.

854955644572 is a deficient number, since it is larger than the sum of its proper divisors (656146015748).

854955644572 is a wasteful number, since it uses less digits than its factorization.

854955644572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162141 (or 162139 counting only the distinct ones).

The product of its digits is 241920000, while the sum is 64.

The spelling of 854955644572 in words is "eight hundred fifty-four billion, nine hundred fifty-five million, six hundred forty-four thousand, five hundred seventy-two".