854320287755 has 32 divisors (see below), whose sum is σ = 1119878680320. Its totient is φ = 620493540480.

The previous prime is 854320287731. The next prime is 854320287761. The reversal of 854320287755 is 557782023458.

It is a de Polignac number, because none of the positive numbers 2^k-854320287755 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 854320287755.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183999464 + ... + 184004106.

It is an arithmetic number, because the mean of its divisors is an integer number (34996208760).

Almost surely, 2^854320287755 is an apocalyptic number.

854320287755 is a deficient number, since it is larger than the sum of its proper divisors (265558392565).

854320287755 is a wasteful number, since it uses less digits than its factorization.

854320287755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411.

The product of its (nonzero) digits is 18816000, while the sum is 56.

The spelling of 854320287755 in words is "eight hundred fifty-four billion, three hundred twenty million, two hundred eighty-seven thousand, seven hundred fifty-five".