612846864 has 80 divisors (see below), whose sum is σ = 2010407040. Its totient is φ = 175098240.

The previous prime is 612846841. The next prime is 612846893. The reversal of 612846864 is 468648216.

612846864 is a `hidden beast` number, since 6 + 128 + 468 + 64 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98307 + ... + 104354.

It is an arithmetic number, because the mean of its divisors is an integer number (25130088).

Almost surely, 2^612846864 is an apocalyptic number.

It is an amenable number.

612846864 is an abundant number, since it is smaller than the sum of its proper divisors (1397560176).

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

612846864 is a wasteful number, since it uses less digits than its factorization.

612846864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202685 (or 202673 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 612846864 is about 24755.7440607226. The cubic root of 612846864 is about 849.4099083158.

The spelling of 612846864 in words is "six hundred twelve million, eight hundred forty-six thousand, eight hundred sixty-four".