75676765717 has 4 divisors (see below), whose sum is σ = 86487732256. Its totient is φ = 64865799180.

The previous prime is 75676765651. The next prime is 75676765727. The reversal of 75676765717 is 71756767657.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71756767657 = 107183 ⋅669479.

It is not a de Polignac number, because 75676765717 - 2²⁷ = 75542547989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75676765727) 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, 5405483259 + ... + 5405483272.

It is an arithmetic number, because the mean of its divisors is an integer number (21621933064).

Almost surely, 2^75676765717 is an apocalyptic number.

It is an amenable number.

75676765717 is a deficient number, since it is larger than the sum of its proper divisors (10810966539).

75676765717 is a wasteful number, since it uses less digits than its factorization.

75676765717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10810966538.

The product of its digits is 90757800, while the sum is 64.

The spelling of 75676765717 in words is "seventy-five billion, six hundred seventy-six million, seven hundred sixty-five thousand, seven hundred seventeen".