76765676565 has 8 divisors (see below), whose sum is σ = 122825082528. Its totient is φ = 40941694160.

The previous prime is 76765676551. The next prime is 76765676609. The reversal of 76765676565 is 56567656767.

76765676565 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 76765676565 - 2²⁵ = 76732122133 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 76765676496 and 76765676505.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2558855871 + ... + 2558855900.

It is an arithmetic number, because the mean of its divisors is an integer number (15353135316).

Almost surely, 2^76765676565 is an apocalyptic number.

It is an amenable number.

76765676565 is a deficient number, since it is larger than the sum of its proper divisors (46059405963).

76765676565 is a wasteful number, since it uses less digits than its factorization.

76765676565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117711779.

The product of its digits is 333396000, while the sum is 66.

The spelling of 76765676565 in words is "seventy-six billion, seven hundred sixty-five million, six hundred seventy-six thousand, five hundred sixty-five".