80820852655033 has 4 divisors (see below), whose sum is σ = 85074581742160. Its totient is φ = 76567123567908.

The previous prime is 80820852654967. The next prime is 80820852655061. The reversal of 80820852655033 is 33055625802808.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80820852655033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80820852685033) 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, 2126864543535 + ... + 2126864543572.

It is an arithmetic number, because the mean of its divisors is an integer number (21268645435540).

Almost surely, 2^{80820852655033} is an apocalyptic number.

It is an amenable number.

80820852655033 is a deficient number, since it is larger than the sum of its proper divisors (4253729087127).

80820852655033 is a wasteful number, since it uses less digits than its factorization.

80820852655033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253729087126.

The product of its (nonzero) digits is 13824000, while the sum is 55.

The spelling of 80820852655033 in words is "eighty trillion, eight hundred twenty billion, eight hundred fifty-two million, six hundred fifty-five thousand, thirty-three".