42857932220786 has 16 divisors (see below), whose sum is σ = 66416859595008. Its totient is φ = 20720149654800.

The previous prime is 42857932220759. The next prime is 42857932220809. The reversal of 42857932220786 is 68702223975824.

It is a happy 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, 292584260 + ... + 292730703.

It is an arithmetic number, because the mean of its divisors is an integer number (4151053724688).

Almost surely, 2^{42857932220786} is an apocalyptic number.

42857932220786 is a deficient number, since it is larger than the sum of its proper divisors (23558927374222).

42857932220786 is a wasteful number, since it uses less digits than its factorization.

42857932220786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585316177.

The product of its (nonzero) digits is 162570240, while the sum is 65.

The spelling of 42857932220786 in words is "forty-two trillion, eight hundred fifty-seven billion, nine hundred thirty-two million, two hundred twenty thousand, seven hundred eighty-six".