76665465771 has 16 divisors (see below), whose sum is σ = 105693708288. Its totient is φ = 49379256000.

The previous prime is 76665465733. The next prime is 76665465859. The reversal of 76665465771 is 17756456667.

It is not a de Polignac number, because 76665465771 - 2¹⁴ = 76665449387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76665465971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629931 + ... + 741716.

It is an arithmetic number, because the mean of its divisors is an integer number (6605856768).

Almost surely, 2^76665465771 is an apocalyptic number.

76665465771 is a deficient number, since it is larger than the sum of its proper divisors (29028242517).

76665465771 is a wasteful number, since it uses less digits than its factorization.

76665465771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372282.

The product of its digits is 44452800, while the sum is 60.

The spelling of 76665465771 in words is "seventy-six billion, six hundred sixty-five million, four hundred sixty-five thousand, seven hundred seventy-one".