880541795705021 has 2 divisors, whose sum is σ = 880541795705022. Its totient is φ = 880541795705020.

The previous prime is 880541795704937. The next prime is 880541795705027. The reversal of 880541795705021 is 120507597145088.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477845828299225 + 402695967405796 = 21859685^2 + 20067286^2 .

It is a cyclic number.

It is not a de Polignac number, because 880541795705021 - 2²⁶ = 880541728596157 is a prime.

It is a super-2 number, since 2×880541795705021² (a number of 31 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (880541795705027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440270897852510 + 440270897852511.

It is an arithmetic number, because the mean of its divisors is an integer number (440270897852511).

Almost surely, 2^{880541795705021} is an apocalyptic number.

It is an amenable number.

880541795705021 is a deficient number, since it is larger than the sum of its proper divisors (1).

880541795705021 is an equidigital number, since it uses as much as digits as its factorization.

880541795705021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224000, while the sum is 62.

The spelling of 880541795705021 in words is "eight hundred eighty trillion, five hundred forty-one billion, seven hundred ninety-five million, seven hundred five thousand, twenty-one".