806572876042 has 16 divisors (see below), whose sum is σ = 1212812671752. Its totient is φ = 402302868480.

The previous prime is 806572876037. The next prime is 806572876073. The reversal of 806572876042 is 240678275608.

It can be written as a sum of positive squares in 4 ways, for example, as 789430473001 + 17142403041 = 888499^2 + 130929^2 .

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, 1616518 + ... + 2055790.

Almost surely, 2^806572876042 is an apocalyptic number.

806572876042 is a deficient number, since it is larger than the sum of its proper divisors (406239795710).

806572876042 is a wasteful number, since it uses less digits than its factorization.

806572876042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441513.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 806572876042 in words is "eight hundred six billion, five hundred seventy-two million, eight hundred seventy-six thousand, forty-two".