76923853847 has 4 divisors (see below), whose sum is σ = 78227648040. Its totient is φ = 75620059656.

The previous prime is 76923853841. The next prime is 76923853861. The reversal of 76923853847 is 74835832967.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76923853847 is a prime.

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 76923853847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76923853841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651897008 + ... + 651897125.

It is an arithmetic number, because the mean of its divisors is an integer number (19556912010).

Almost surely, 2^76923853847 is an apocalyptic number.

76923853847 is a deficient number, since it is larger than the sum of its proper divisors (1303794193).

76923853847 is a wasteful number, since it uses less digits than its factorization.

76923853847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303794192.

The product of its digits is 60963840, while the sum is 62.

The spelling of 76923853847 in words is "seventy-six billion, nine hundred twenty-three million, eight hundred fifty-three thousand, eight hundred forty-seven".