768966128405 has 32 divisors (see below), whose sum is σ = 988454711040. Its totient is φ = 572541281280.

The previous prime is 768966128387. The next prime is 768966128453. The reversal of 768966128405 is 504821669867.

It is not a de Polignac number, because 768966128405 - 2¹⁰ = 768966127381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4688669 + ... + 4849901.

It is an arithmetic number, because the mean of its divisors is an integer number (30889209720).

Almost surely, 2^768966128405 is an apocalyptic number.

It is an amenable number.

768966128405 is a deficient number, since it is larger than the sum of its proper divisors (219488582635).

768966128405 is a wasteful number, since it uses less digits than its factorization.

768966128405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162141.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 768966128405 in words is "seven hundred sixty-eight billion, nine hundred sixty-six million, one hundred twenty-eight thousand, four hundred five".