678546496283 has 4 divisors (see below), whose sum is σ = 685134326448. Its totient is φ = 671958666120.

The previous prime is 678546496279. The next prime is 678546496337. The reversal of 678546496283 is 382694645876.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 678546496283 - 2² = 678546496279 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (678546496223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3293914928 + ... + 3293915133.

It is an arithmetic number, because the mean of its divisors is an integer number (171283581612).

Almost surely, 2^678546496283 is an apocalyptic number.

678546496283 is a deficient number, since it is larger than the sum of its proper divisors (6587830165).

678546496283 is a wasteful number, since it uses less digits than its factorization.

678546496283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587830164.

The product of its digits is 418037760, while the sum is 68.

The spelling of 678546496283 in words is "six hundred seventy-eight billion, five hundred forty-six million, four hundred ninety-six thousand, two hundred eighty-three".