76686029545 has 8 divisors (see below), whose sum is σ = 92025287424. Its totient is φ = 61347455664.

The previous prime is 76686029543. The next prime is 76686029569. The reversal of 76686029545 is 54592068667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76686029545 - 2¹ = 76686029543 is a prime.

It is a super-4 number, since 4×76686029545⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76686029545.

It is not an unprimeable number, because it can be changed into a prime (76686029543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120982 + ... + 409888.

It is an arithmetic number, because the mean of its divisors is an integer number (11503160928).

Almost surely, 2^76686029545 is an apocalyptic number.

It is an amenable number.

76686029545 is a deficient number, since it is larger than the sum of its proper divisors (15339257879).

76686029545 is a wasteful number, since it uses less digits than its factorization.

76686029545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341999.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 76686029545 in words is "seventy-six billion, six hundred eighty-six million, twenty-nine thousand, five hundred forty-five".