612376866 has 12 divisors (see below), whose sum is σ = 1326816582. Its totient is φ = 204125616.

The previous prime is 612376777. The next prime is 612376879. The reversal of 612376866 is 668673216.

It can be written as a sum of positive squares in only one way, i.e., 567821241 + 44555625 = 23829^2 + 6675^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17010451 + ... + 17010486.

Almost surely, 2^612376866 is an apocalyptic number.

612376866 is an abundant number, since it is smaller than the sum of its proper divisors (714439716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612376866 is a wasteful number, since it uses less digits than its factorization.

612376866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34020945 (or 34020942 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 612376866 is about 24746.2495340203. The cubic root of 612376866 is about 849.1927126451.

The spelling of 612376866 in words is "six hundred twelve million, three hundred seventy-six thousand, eight hundred sixty-six".