80553461773 has 2 divisors, whose sum is σ = 80553461774. Its totient is φ = 80553461772.

The previous prime is 80553461741. The next prime is 80553461783. The reversal of 80553461773 is 37716435508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41445630724 + 39107831049 = 203582^2 + 197757^2 .

It is a cyclic number.

It is not a de Polignac number, because 80553461773 - 2⁵ = 80553461741 is a prime.

It is a super-2 number, since 2×80553461773² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80553461783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40276730886 + 40276730887.

It is an arithmetic number, because the mean of its divisors is an integer number (40276730887).

Almost surely, 2^80553461773 is an apocalyptic number.

It is an amenable number.

80553461773 is a deficient number, since it is larger than the sum of its proper divisors (1).

80553461773 is an equidigital number, since it uses as much as digits as its factorization.

80553461773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 80553461773 in words is "eighty billion, five hundred fifty-three million, four hundred sixty-one thousand, seven hundred seventy-three".