10897775 has 12 divisors (see below), whose sum is σ = 15443952. Its totient is φ = 7472640.

The previous prime is 10897769. The next prime is 10897781. The reversal of 10897775 is 57779801.

It is an interprime number because it is at equal distance from previous prime (10897769) and next prime (10897781).

It is a de Polignac number, because none of the positive numbers 2^k-10897775 is a prime.

It is a super-2 number, since 2×10897775² = 237522999901250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 30962 + ... + 31311.

It is an arithmetic number, because the mean of its divisors is an integer number (1286996).

Almost surely, 2^10897775 is an apocalyptic number.

10897775 is a deficient number, since it is larger than the sum of its proper divisors (4546177).

10897775 is an equidigital number, since it uses as much as digits as its factorization.

10897775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62290 (or 62285 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 44.

The square root of 10897775 is about 3301.1778201121. The cubic root of 10897775 is about 221.7069354798.

The spelling of 10897775 in words is "ten million, eight hundred ninety-seven thousand, seven hundred seventy-five".