10897770 has 32 divisors (see below), whose sum is σ = 28167552. Its totient is φ = 2682432.

The previous prime is 10897769. The next prime is 10897781. The reversal of 10897770 is 7779801.

It is a happy number.

It is a super-2 number, since 2×10897770² = 237522781945800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a zygodrome in base 9.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13582 + ... + 14361.

It is an arithmetic number, because the mean of its divisors is an integer number (880236).

Almost surely, 2^10897770 is an apocalyptic number.

10897770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10897770 is an abundant number, since it is smaller than the sum of its proper divisors (17269782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10897770 is a wasteful number, since it uses less digits than its factorization.

10897770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27966.

The product of its (nonzero) digits is 24696, while the sum is 39.

The square root of 10897770 is about 3301.1770628065. The cubic root of 10897770 is about 221.7069015727.

The spelling of 10897770 in words is "ten million, eight hundred ninety-seven thousand, seven hundred seventy".