887343140669 has 2 divisors, whose sum is σ = 887343140670. Its totient is φ = 887343140668.

The previous prime is 887343140611. The next prime is 887343140681. The reversal of 887343140669 is 966041343788.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 785814877444 + 101528263225 = 886462^2 + 318635^2 .

It is a cyclic number.

It is not a de Polignac number, because 887343140669 - 2²⁴ = 887326363453 is a prime.

It is a super-2 number, since 2×887343140669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (887343140609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443671570334 + 443671570335.

It is an arithmetic number, because the mean of its divisors is an integer number (443671570335).

Almost surely, 2^887343140669 is an apocalyptic number.

It is an amenable number.

887343140669 is a deficient number, since it is larger than the sum of its proper divisors (1).

887343140669 is an equidigital number, since it uses as much as digits as its factorization.

887343140669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 59.

The spelling of 887343140669 in words is "eight hundred eighty-seven billion, three hundred forty-three million, one hundred forty thousand, six hundred sixty-nine".