10920887 has 2 divisors, whose sum is σ = 10920888. Its totient is φ = 10920886.

The previous prime is 10920869. The next prime is 10920901. The reversal of 10920887 is 78802901.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (78802901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10920887 - 2⁶ = 10920823 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 (10920787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5460443 + 5460444.

It is an arithmetic number, because the mean of its divisors is an integer number (5460444).

Almost surely, 2^10920887 is an apocalyptic number.

10920887 is a deficient number, since it is larger than the sum of its proper divisors (1).

10920887 is an equidigital number, since it uses as much as digits as its factorization.

10920887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 10920887 is about 3304.6765348518. The cubic root of 10920887 is about 221.8635568257.

The spelling of 10920887 in words is "ten million, nine hundred twenty thousand, eight hundred eighty-seven".