11177997 has 8 divisors (see below), whose sum is σ = 14925120. Its totient is φ = 7441440.

The previous prime is 11177987. The next prime is 11178001. The reversal of 11177997 is 79977111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11177997 - 2¹⁴ = 11161613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11177917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297 + ... + 4737.

It is an arithmetic number, because the mean of its divisors is an integer number (1865640).

Almost surely, 2^11177997 is an apocalyptic number.

It is an amenable number.

11177997 is a deficient number, since it is larger than the sum of its proper divisors (3747123).

11177997 is an equidigital number, since it uses as much as digits as its factorization.

11177997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283.

The product of its digits is 27783, while the sum is 42.

The square root of 11177997 is about 3343.3511631296. The cubic root of 11177997 is about 223.5911774088.

The spelling of 11177997 in words is "eleven million, one hundred seventy-seven thousand, nine hundred ninety-seven".