769620043085 has 16 divisors (see below), whose sum is σ = 948769508016. Its totient is φ = 598888355328.

The previous prime is 769620043067. The next prime is 769620043111. The reversal of 769620043085 is 580340026967.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 41837020681 + 727783022404 = 204541^2 + 853102^2 .

It is a cyclic number.

It is not a de Polignac number, because 769620043085 - 2⁶ = 769620043021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85787 + ... + 1243623.

It is an arithmetic number, because the mean of its divisors is an integer number (59298094251).

Almost surely, 2^769620043085 is an apocalyptic number.

It is an amenable number.

769620043085 is a deficient number, since it is larger than the sum of its proper divisors (179149464931).

769620043085 is a wasteful number, since it uses less digits than its factorization.

769620043085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161472.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 769620043085 in words is "seven hundred sixty-nine billion, six hundred twenty million, forty-three thousand, eighty-five".