705396328779 has 16 divisors (see below), whose sum is σ = 946674294048. Its totient is φ = 467192274432.

The previous prime is 705396328771. The next prime is 705396328859. The reversal of 705396328779 is 977823693507.

705396328779 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 705396328779 - 2³ = 705396328771 is a prime.

It is a super-3 number, since 3×705396328779³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (705396328771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2827369 + ... + 3066725.

It is an arithmetic number, because the mean of its divisors is an integer number (59167143378).

Almost surely, 2^705396328779 is an apocalyptic number.

705396328779 is a deficient number, since it is larger than the sum of its proper divisors (241277965269).

705396328779 is a wasteful number, since it uses less digits than its factorization.

705396328779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245774.

The product of its (nonzero) digits is 120022560, while the sum is 66.

The spelling of 705396328779 in words is "seven hundred five billion, three hundred ninety-six million, three hundred twenty-eight thousand, seven hundred seventy-nine".