80603837769 has 144 divisors (see below), whose sum is σ = 146716577280. Its totient is φ = 38968957440.

The previous prime is 80603837767. The next prime is 80603837773. The reversal of 80603837769 is 96773830608.

It is a happy number.

It is not a de Polignac number, because 80603837769 - 2¹ = 80603837767 is a prime.

It is a super-2 number, since 2×80603837769² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (80603837767) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 21384117 + ... + 21387885.

It is an arithmetic number, because the mean of its divisors is an integer number (1018865120).

Almost surely, 2^80603837769 is an apocalyptic number.

It is an amenable number.

80603837769 is a deficient number, since it is larger than the sum of its proper divisors (66112739511).

80603837769 is a wasteful number, since it uses less digits than its factorization.

80603837769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868 (or 3842 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 80603837769 in words is "eighty billion, six hundred three million, eight hundred thirty-seven thousand, seven hundred sixty-nine".