612788306108 has 12 divisors (see below), whose sum is σ = 1169868584472. Its totient is φ = 278540139120.

The previous prime is 612788306069. The next prime is 612788306129. The reversal of 612788306108 is 801603887216.

It is a congruent number.

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, 6963503435 + ... + 6963503522.

It is an arithmetic number, because the mean of its divisors is an integer number (97489048706).

Almost surely, 2^612788306108 is an apocalyptic number.

It is an amenable number.

612788306108 is a deficient number, since it is larger than the sum of its proper divisors (557080278364).

612788306108 is a wasteful number, since it uses less digits than its factorization.

612788306108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13927006972 (or 13927006970 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 612788306108 in words is "six hundred twelve billion, seven hundred eighty-eight million, three hundred six thousand, one hundred eight".