887711261 has 2 divisors, whose sum is σ = 887711262. Its totient is φ = 887711260.

The previous prime is 887711239. The next prime is 887711291. The reversal of 887711261 is 162117788.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748022500 + 139688761 = 27350^2 + 11819^2 .

It is a cyclic number.

It is not a de Polignac number, because 887711261 - 2¹⁸ = 887449117 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 (887711291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443855630 + 443855631.

It is an arithmetic number, because the mean of its divisors is an integer number (443855631).

Almost surely, 2^887711261 is an apocalyptic number.

It is an amenable number.

887711261 is a deficient number, since it is larger than the sum of its proper divisors (1).

887711261 is an equidigital number, since it uses as much as digits as its factorization.

887711261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 41.

The square root of 887711261 is about 29794.4837344096. The cubic root of 887711261 is about 961.0749175595.

The spelling of 887711261 in words is "eight hundred eighty-seven million, seven hundred eleven thousand, two hundred sixty-one".