888720461 has 2 divisors, whose sum is σ = 888720462. Its totient is φ = 888720460.

The previous prime is 888720433. The next prime is 888720467. The reversal of 888720461 is 164027888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 754600900 + 134119561 = 27470^2 + 11581^2 .

It is a cyclic number.

It is not a de Polignac number, because 888720461 - 2¹⁴ = 888704077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (888720467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444360230 + 444360231.

It is an arithmetic number, because the mean of its divisors is an integer number (444360231).

Almost surely, 2^888720461 is an apocalyptic number.

It is an amenable number.

888720461 is a deficient number, since it is larger than the sum of its proper divisors (1).

888720461 is an equidigital number, since it uses as much as digits as its factorization.

888720461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 888720461 is about 29811.4149446148. The cubic root of 888720461 is about 961.4389809396.

The spelling of 888720461 in words is "eight hundred eighty-eight million, seven hundred twenty thousand, four hundred sixty-one".