887661349 has 2 divisors, whose sum is σ = 887661350. Its totient is φ = 887661348.

The previous prime is 887661283. The next prime is 887661353. The reversal of 887661349 is 943166788.

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., 697910724 + 189750625 = 26418^2 + 13775^2 .

It is a cyclic number.

It is not a de Polignac number, because 887661349 - 2²⁵ = 854106917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 887661296 and 887661305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (887661449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443830674 + 443830675.

It is an arithmetic number, because the mean of its divisors is an integer number (443830675).

Almost surely, 2^887661349 is an apocalyptic number.

It is an amenable number.

887661349 is a deficient number, since it is larger than the sum of its proper divisors (1).

887661349 is an equidigital number, since it uses as much as digits as its factorization.

887661349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 52.

The square root of 887661349 is about 29793.6461179225. The cubic root of 887661349 is about 961.0569049194.

It can be divided in two parts, 8876 and 61349, that added together give a square (70225 = 265²).

The spelling of 887661349 in words is "eight hundred eighty-seven million, six hundred sixty-one thousand, three hundred forty-nine".