7747725012 has 12 divisors (see below), whose sum is σ = 18078025056. Its totient is φ = 2582575000.

The previous prime is 7747724951. The next prime is 7747725047. The reversal of 7747725012 is 2105277477.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322821864 + ... + 322821887.

It is an arithmetic number, because the mean of its divisors is an integer number (1506502088).

Almost surely, 2^7747725012 is an apocalyptic number.

It is an amenable number.

7747725012 is an abundant number, since it is smaller than the sum of its proper divisors (10330300044).

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

7747725012 is a wasteful number, since it uses less digits than its factorization.

7747725012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645643758 (or 645643756 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 42.

The square root of 7747725012 is about 88021.1622963478. The cubic root of 7747725012 is about 1978.7521481282.

The spelling of 7747725012 in words is "seven billion, seven hundred forty-seven million, seven hundred twenty-five thousand, twelve".