612378282847 has 8 divisors (see below), whose sum is σ = 613440374976. Its totient is φ = 611316889632.

The previous prime is 612378282809. The next prime is 612378282853. The reversal of 612378282847 is 748282873216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612378282847 is a prime.

It is a super-2 number, since 2×612378282847² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612378282791 and 612378282800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612378282547) 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, 1594653 + ... + 1941049.

It is an arithmetic number, because the mean of its divisors is an integer number (76680046872).

Almost surely, 2^612378282847 is an apocalyptic number.

612378282847 is a deficient number, since it is larger than the sum of its proper divisors (1062092129).

612378282847 is a wasteful number, since it uses less digits than its factorization.

612378282847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349457.

The product of its digits is 14450688, while the sum is 58.

The spelling of 612378282847 in words is "six hundred twelve billion, three hundred seventy-eight million, two hundred eighty-two thousand, eight hundred forty-seven".