10887971 has 2 divisors, whose sum is σ = 10887972. Its totient is φ = 10887970.

The previous prime is 10887941. The next prime is 10887983. The reversal of 10887971 is 17978801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10887971 - 2¹⁴ = 10871587 is a prime.

It is not a weakly prime, because it can be changed into another prime (10887941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5443985 + 5443986.

It is an arithmetic number, because the mean of its divisors is an integer number (5443986).

Almost surely, 2^10887971 is an apocalyptic number.

10887971 is a deficient number, since it is larger than the sum of its proper divisors (1).

10887971 is an equidigital number, since it uses as much as digits as its factorization.

10887971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 41.

The square root of 10887971 is about 3299.6925614366. The cubic root of 10887971 is about 221.6404305605.

The spelling of 10887971 in words is "ten million, eight hundred eighty-seven thousand, nine hundred seventy-one".