857429117206 has 16 divisors (see below), whose sum is σ = 1353889575360. Its totient is φ = 406134396360.

The previous prime is 857429117119. The next prime is 857429117357. The reversal of 857429117206 is 602711924758.

It is a super-3 number, since 3×857429117206³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540201 + ... + 1416571.

It is an arithmetic number, because the mean of its divisors is an integer number (84618098460).

Almost surely, 2^857429117206 is an apocalyptic number.

857429117206 is a deficient number, since it is larger than the sum of its proper divisors (496460458154).

857429117206 is a wasteful number, since it uses less digits than its factorization.

857429117206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902139.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 857429117206 in words is "eight hundred fifty-seven billion, four hundred twenty-nine million, one hundred seventeen thousand, two hundred six".