80621822933 has 4 divisors (see below), whose sum is σ = 80625642240. Its totient is φ = 80618003628.

The previous prime is 80621822929. The next prime is 80621822947. The reversal of 80621822933 is 33922812608.

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 not a de Polignac number, because 80621822933 - 2² = 80621822929 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 (80621722933) 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, 1877813 + ... + 1920266.

It is an arithmetic number, because the mean of its divisors is an integer number (20156410560).

Almost surely, 2^80621822933 is an apocalyptic number.

It is an amenable number.

80621822933 is a deficient number, since it is larger than the sum of its proper divisors (3819307).

80621822933 is a wasteful number, since it uses less digits than its factorization.

80621822933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819306.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 80621822933 in words is "eighty billion, six hundred twenty-one million, eight hundred twenty-two thousand, nine hundred thirty-three".