769699832725 has 24 divisors (see below), whose sum is σ = 969657971400. Its totient is φ = 605971537920.

The previous prime is 769699832717. The next prime is 769699832729. The reversal of 769699832725 is 527238996967.

It can be written as a sum of positive squares in 12 ways, for example, as 152667588529 + 617032244196 = 390727^2 + 785514^2 .

It is not a de Polignac number, because 769699832725 - 2³ = 769699832717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769699832729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349767 + ... + 1289083.

It is an arithmetic number, because the mean of its divisors is an integer number (40402415475).

Almost surely, 2^769699832725 is an apocalyptic number.

It is an amenable number.

769699832725 is a deficient number, since it is larger than the sum of its proper divisors (199958138675).

769699832725 is a wasteful number, since it uses less digits than its factorization.

769699832725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939849 (or 939844 counting only the distinct ones).

The product of its digits is 617258880, while the sum is 73.

The spelling of 769699832725 in words is "seven hundred sixty-nine billion, six hundred ninety-nine million, eight hundred thirty-two thousand, seven hundred twenty-five".