75766650915766 has 16 divisors (see below), whose sum is σ = 113774783320800. Its totient is φ = 37841723970048.

The previous prime is 75766650915763. The next prime is 75766650915779. The reversal of 75766650915766 is 66751905666757.

It is a junction number, because it is equal to n+sod(n) for n = 75766650915692 and 75766650915701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75766650915763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310075296 + ... + 310319548.

It is an arithmetic number, because the mean of its divisors is an integer number (7110923957550).

Almost surely, 2^{75766650915766} is an apocalyptic number.

75766650915766 is a deficient number, since it is larger than the sum of its proper divisors (38008132405034).

75766650915766 is a wasteful number, since it uses less digits than its factorization.

75766650915766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413943.

The product of its (nonzero) digits is 3000564000, while the sum is 76.

The spelling of 75766650915766 in words is "seventy-five trillion, seven hundred sixty-six billion, six hundred fifty million, nine hundred fifteen thousand, seven hundred sixty-six".