80733834769 has 9 divisors (see below), whose sum is σ = 93917182761. Its totient is φ = 69198724980.

The previous prime is 80733834749. The next prime is 80733834809. The reversal of 80733834769 is 96743833708.

It is a happy number.

The square root of 80733834769 is 284137.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 80733834769 - 2⁵ = 80733834737 is a prime.

It is a super-2 number, since 2×80733834769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80733834749) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1968664 + ... + 2009254.

It is an arithmetic number, because the mean of its divisors is an integer number (10435242529).

Almost surely, 2^80733834769 is an apocalyptic number.

80733834769 is the 284137-th square number.

80733834769 is the 142069-th centered octagonal number.

It is an amenable number.

80733834769 is a deficient number, since it is larger than the sum of its proper divisors (13183347992).

80733834769 is an frugal number, since it uses more digits than its factorization.

80733834769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81196 (or 40598 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 80733834769 in words is "eighty billion, seven hundred thirty-three million, eight hundred thirty-four thousand, seven hundred sixty-nine".