80352857605 has 16 divisors (see below), whose sum is σ = 97004717424. Its totient is φ = 63894945280.

The previous prime is 80352857603. The next prime is 80352857617. The reversal of 80352857605 is 50675825308.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 520615489 + 79832242116 = 22817^2 + 282546^2 .

It is not a de Polignac number, because 80352857605 - 2¹ = 80352857603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80352857603) 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, 4541937 + ... + 4559593.

It is an arithmetic number, because the mean of its divisors is an integer number (6062794839).

Almost surely, 2^80352857605 is an apocalyptic number.

It is an amenable number.

80352857605 is a deficient number, since it is larger than the sum of its proper divisors (16651859819).

80352857605 is a wasteful number, since it uses less digits than its factorization.

80352857605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23096.

The product of its (nonzero) digits is 2016000, while the sum is 49.

The spelling of 80352857605 in words is "eighty billion, three hundred fifty-two million, eight hundred fifty-seven thousand, six hundred five".