612378282854 has 16 divisors (see below), whose sum is σ = 998471568528. Its totient is φ = 279994670112.

The previous prime is 612378282853. The next prime is 612378282937. The reversal of 612378282854 is 458282873216.

It is a super-2 number, since 2×612378282854² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612378282854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612378282853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110058017 + ... + 110063580.

It is an arithmetic number, because the mean of its divisors is an integer number (62404473033).

Almost surely, 2^612378282854 is an apocalyptic number.

612378282854 is a deficient number, since it is larger than the sum of its proper divisors (386093285674).

612378282854 is a wasteful number, since it uses less digits than its factorization.

612378282854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220121719.

The product of its digits is 10321920, while the sum is 56.

The spelling of 612378282854 in words is "six hundred twelve billion, three hundred seventy-eight million, two hundred eighty-two thousand, eight hundred fifty-four".