612648862 has 12 divisors (see below), whose sum is σ = 1069009920. Its totient is φ = 262563756.

The previous prime is 612648857. The next prime is 612648899. The reversal of 612648862 is 268846216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3125662 + ... + 3125857.

It is an arithmetic number, because the mean of its divisors is an integer number (89084160).

Almost surely, 2^612648862 is an apocalyptic number.

612648862 is a deficient number, since it is larger than the sum of its proper divisors (456361058).

612648862 is a wasteful number, since it uses less digits than its factorization.

612648862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251535 (or 6251528 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 612648862 is about 24751.7446253794. The cubic root of 612648862 is about 849.3184210909.

The spelling of 612648862 in words is "six hundred twelve million, six hundred forty-eight thousand, eight hundred sixty-two".