684806674077 has 8 divisors (see below), whose sum is σ = 1014528406080. Its totient is φ = 456537782700.

The previous prime is 684806674031. The next prime is 684806674081. The reversal of 684806674077 is 770476608486.

It is not a de Polignac number, because 684806674077 - 2¹¹ = 684806672029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684806679077) 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, 12681605049 + ... + 12681605102.

It is an arithmetic number, because the mean of its divisors is an integer number (126816050760).

Almost surely, 2^684806674077 is an apocalyptic number.

It is an amenable number.

684806674077 is a deficient number, since it is larger than the sum of its proper divisors (329721732003).

684806674077 is a wasteful number, since it uses less digits than its factorization.

684806674077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25363210160 (or 25363210154 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 63.

The spelling of 684806674077 in words is "six hundred eighty-four billion, eight hundred six million, six hundred seventy-four thousand, seventy-seven".