881655737401 has 2 divisors, whose sum is σ = 881655737402. Its totient is φ = 881655737400.

The previous prime is 881655737387. The next prime is 881655737407. The reversal of 881655737401 is 104737556188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543978527401 + 337677210000 = 737549^2 + 581100^2 .

It is a cyclic number.

It is not a de Polignac number, because 881655737401 - 2⁷ = 881655737273 is a prime.

It is not a weakly prime, because it can be changed into another prime (881655737407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440827868700 + 440827868701.

It is an arithmetic number, because the mean of its divisors is an integer number (440827868701).

Almost surely, 2^881655737401 is an apocalyptic number.

It is an amenable number.

881655737401 is a deficient number, since it is larger than the sum of its proper divisors (1).

881655737401 is an equidigital number, since it uses as much as digits as its factorization.

881655737401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 881655737401 in words is "eight hundred eighty-one billion, six hundred fifty-five million, seven hundred thirty-seven thousand, four hundred one".