10897787 has 4 divisors (see below), whose sum is σ = 10946880. Its totient is φ = 10848696.

The previous prime is 10897781. The next prime is 10897801. The reversal of 10897787 is 78779801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10897787 - 2¹² = 10893691 is a prime.

It is a super-2 number, since 2×10897787² = 237523522994738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10897781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24212 + ... + 24657.

It is an arithmetic number, because the mean of its divisors is an integer number (2736720).

Almost surely, 2^10897787 is an apocalyptic number.

10897787 is a deficient number, since it is larger than the sum of its proper divisors (49093).

10897787 is an equidigital number, since it uses as much as digits as its factorization.

10897787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49092.

The product of its (nonzero) digits is 197568, while the sum is 47.

The square root of 10897787 is about 3301.1796376447. The cubic root of 10897787 is about 221.7070168567.

The spelling of 10897787 in words is "ten million, eight hundred ninety-seven thousand, seven hundred eighty-seven".