707705680679 has 4 divisors (see below), whose sum is σ = 707707370784. Its totient is φ = 707703990576.

The previous prime is 707705680639. The next prime is 707705680699. The reversal of 707705680679 is 976086507707.

707705680679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 976086507707 = 9199 ⋅106107893.

It is a cyclic number.

It is not a de Polignac number, because 707705680679 - 2¹⁶ = 707705615143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (707705680639) 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, 302459 + ... + 1227555.

It is an arithmetic number, because the mean of its divisors is an integer number (176926842696).

Almost surely, 2^707705680679 is an apocalyptic number.

707705680679 is a deficient number, since it is larger than the sum of its proper divisors (1690105).

707705680679 is an equidigital number, since it uses as much as digits as its factorization.

707705680679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690104.

The product of its (nonzero) digits is 31116960, while the sum is 62.

The spelling of 707705680679 in words is "seven hundred seven billion, seven hundred five million, six hundred eighty thousand, six hundred seventy-nine".