768971129523 has 16 divisors (see below), whose sum is σ = 1050375580800. Its totient is φ = 500108800320.

The previous prime is 768971129513. The next prime is 768971129573. The reversal of 768971129523 is 325921179867.

It is a happy number.

It is not a de Polignac number, because 768971129523 - 2¹⁷ = 768970998451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (768971129513) 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, 1606308 + ... + 2029326.

It is an arithmetic number, because the mean of its divisors is an integer number (65648473800).

Almost surely, 2^768971129523 is an apocalyptic number.

768971129523 is a deficient number, since it is larger than the sum of its proper divisors (281404451277).

768971129523 is a wasteful number, since it uses less digits than its factorization.

768971129523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437842.

The product of its digits is 11430720, while the sum is 60.

The spelling of 768971129523 in words is "seven hundred sixty-eight billion, nine hundred seventy-one million, one hundred twenty-nine thousand, five hundred twenty-three".