76404522646 has 8 divisors (see below), whose sum is σ = 115719471504. Its totient is φ = 37831365480.

The previous prime is 76404522629. The next prime is 76404522683. The reversal of 76404522646 is 64622540467.

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

It is a junction number, because it is equal to n+sod(n) for n = 76404522596 and 76404522605.

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, 185447665 + ... + 185448076.

It is an arithmetic number, because the mean of its divisors is an integer number (14464933938).

Almost surely, 2^76404522646 is an apocalyptic number.

76404522646 is a deficient number, since it is larger than the sum of its proper divisors (39314948858).

76404522646 is a wasteful number, since it uses less digits than its factorization.

76404522646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370895846.

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 76404522646 in words is "seventy-six billion, four hundred four million, five hundred twenty-two thousand, six hundred forty-six".