76536790689 has 4 divisors (see below), whose sum is σ = 102049054256. Its totient is φ = 51024527124.

The previous prime is 76536790643. The next prime is 76536790721. The reversal of 76536790689 is 98609763567.

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 not a de Polignac number, because 76536790689 - 2⁹ = 76536790177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76536790789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12756131779 + ... + 12756131784.

It is an arithmetic number, because the mean of its divisors is an integer number (25512263564).

Almost surely, 2^76536790689 is an apocalyptic number.

It is an amenable number.

76536790689 is a deficient number, since it is larger than the sum of its proper divisors (25512263567).

76536790689 is a wasteful number, since it uses less digits than its factorization.

76536790689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25512263566.

The product of its (nonzero) digits is 102876480, while the sum is 66.

The spelling of 76536790689 in words is "seventy-six billion, five hundred thirty-six million, seven hundred ninety thousand, six hundred eighty-nine".