612171876808 has 32 divisors (see below), whose sum is σ = 1150035082560. Its totient is φ = 305496429120.

The previous prime is 612171876733. The next prime is 612171876809. The reversal of 612171876808 is 808678171216.

It is not an unprimeable number, because it can be changed into a prime (612171876809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8749243 + ... + 8818933.

It is an arithmetic number, because the mean of its divisors is an integer number (35938596330).

Almost surely, 2^612171876808 is an apocalyptic number.

It is an amenable number.

612171876808 is a deficient number, since it is larger than the sum of its proper divisors (537863205752).

612171876808 is a wasteful number, since it uses less digits than its factorization.

612171876808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71797 (or 71793 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 55.

The spelling of 612171876808 in words is "six hundred twelve billion, one hundred seventy-one million, eight hundred seventy-six thousand, eight hundred eight".