80824823416453 has 4 divisors (see below), whose sum is σ = 80832054779820. Its totient is φ = 80817592053088.

The previous prime is 80824823416433. The next prime is 80824823416457. The reversal of 80824823416453 is 35461432842808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59581370896609 + 21243452519844 = 7718897^2 + 4609062^2 .

It is a cyclic number.

It is not a de Polignac number, because 80824823416453 - 2²¹ = 80824821319301 is a prime.

It is a super-2 number, since 2×80824823416453² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80824823416457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3615664918 + ... + 3615687271.

It is an arithmetic number, because the mean of its divisors is an integer number (20208013694955).

Almost surely, 2^{80824823416453} is an apocalyptic number.

It is an amenable number.

80824823416453 is a deficient number, since it is larger than the sum of its proper divisors (7231363367).

80824823416453 is a wasteful number, since it uses less digits than its factorization.

80824823416453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231363366.

The product of its (nonzero) digits is 35389440, while the sum is 58.

The spelling of 80824823416453 in words is "eighty trillion, eight hundred twenty-four billion, eight hundred twenty-three million, four hundred sixteen thousand, four hundred fifty-three".