76686307548 has 12 divisors (see below), whose sum is σ = 178934717640. Its totient is φ = 25562102512.

The previous prime is 76686307513. The next prime is 76686307549. The reversal of 76686307548 is 84570368667.

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

It is a junction number, because it is equal to n+sod(n) for n = 76686307491 and 76686307500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76686307549) by changing a digit.

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, 3195262803 + ... + 3195262826.

It is an arithmetic number, because the mean of its divisors is an integer number (14911226470).

Almost surely, 2^76686307548 is an apocalyptic number.

It is an amenable number.

76686307548 is an abundant number, since it is smaller than the sum of its proper divisors (102248410092).

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

76686307548 is a wasteful number, since it uses less digits than its factorization.

76686307548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390525636 (or 6390525634 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 76686307548 in words is "seventy-six billion, six hundred eighty-six million, three hundred seven thousand, five hundred forty-eight".