706287171042 has 24 divisors (see below), whose sum is σ = 1536638626380. Its totient is φ = 234452171520.

The previous prime is 706287171017. The next prime is 706287171089. The reversal of 706287171042 is 240171782607.

706287171042 is a `hidden beast` number, since 7 + 0 + 628 + 7 + 1 + 7 + 10 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 685201517361 + 21085653681 = 827769^2 + 145209^2 .

It is a super-2 number, since 2×706287171042² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81402667 + ... + 81411342.

Almost surely, 2^706287171042 is an apocalyptic number.

706287171042 is an abundant number, since it is smaller than the sum of its proper divisors (830351455338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706287171042 is a wasteful number, since it uses less digits than its factorization.

706287171042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162814258 (or 162814255 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The spelling of 706287171042 in words is "seven hundred six billion, two hundred eighty-seven million, one hundred seventy-one thousand, forty-two".