76388092805 has 4 divisors (see below), whose sum is σ = 91665711372. Its totient is φ = 61110474240.

The previous prime is 76388092799. The next prime is 76388092817. The reversal of 76388092805 is 50829088367.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50829088367 = 653 ⋅77839339.

It can be written as a sum of positive squares in 2 ways, for example, as 8979836644 + 67408256161 = 94762^2 + 259631^2 .

It is not a de Polignac number, because 76388092805 - 2⁶ = 76388092741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 7638809276 + ... + 7638809285.

It is an arithmetic number, because the mean of its divisors is an integer number (22916427843).

Almost surely, 2^76388092805 is an apocalyptic number.

It is an amenable number.

76388092805 is a deficient number, since it is larger than the sum of its proper divisors (15277618567).

76388092805 is a wasteful number, since it uses less digits than its factorization.

76388092805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15277618566.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 76388092805 in words is "seventy-six billion, three hundred eighty-eight million, ninety-two thousand, eight hundred five".