705849775851 has 16 divisors (see below), whose sum is σ = 1026764161920. Its totient is φ = 427757085120.

The previous prime is 705849775793. The next prime is 705849775859. The reversal of 705849775851 is 158577948507.

It is not a de Polignac number, because 705849775851 - 2¹⁴ = 705849759467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (705849775859) 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, 294666 + ... + 1224143.

It is an arithmetic number, because the mean of its divisors is an integer number (64172760120).

Almost surely, 2^705849775851 is an apocalyptic number.

705849775851 is a deficient number, since it is larger than the sum of its proper divisors (320914386069).

705849775851 is a wasteful number, since it uses less digits than its factorization.

705849775851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532906.

The product of its (nonzero) digits is 98784000, while the sum is 66.

The spelling of 705849775851 in words is "seven hundred five billion, eight hundred forty-nine million, seven hundred seventy-five thousand, eight hundred fifty-one".