76427738633 has 4 divisors (see below), whose sum is σ = 77504185728. Its totient is φ = 75351291540.

The previous prime is 76427738581. The next prime is 76427738663. The reversal of 76427738633 is 33683772467.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76427738633 - 2¹⁰ = 76427737609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76427738663) 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, 538223441 + ... + 538223582.

It is an arithmetic number, because the mean of its divisors is an integer number (19376046432).

Almost surely, 2^76427738633 is an apocalyptic number.

It is an amenable number.

76427738633 is a deficient number, since it is larger than the sum of its proper divisors (1076447095).

76427738633 is a wasteful number, since it uses less digits than its factorization.

76427738633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076447094.

The product of its digits is 21337344, while the sum is 56.

The spelling of 76427738633 in words is "seventy-six billion, four hundred twenty-seven million, seven hundred thirty-eight thousand, six hundred thirty-three".