875041400066 has 8 divisors (see below), whose sum is σ = 1316456944140. Its totient is φ = 436222418688.

The previous prime is 875041400039. The next prime is 875041400087. The reversal of 875041400066 is 660004140578.

It can be written as a sum of positive squares in 2 ways, for example, as 763314995041 + 111726405025 = 873679^2 + 334255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 875041399996 and 875041400032.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649139831 + ... + 649141178.

Almost surely, 2^875041400066 is an apocalyptic number.

875041400066 is a deficient number, since it is larger than the sum of its proper divisors (441415544074).

875041400066 is a wasteful number, since it uses less digits than its factorization.

875041400066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298281348.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 875041400066 in words is "eight hundred seventy-five billion, forty-one million, four hundred thousand, sixty-six".