10997777 has 16 divisors (see below), whose sum is σ = 13209600. Its totient is φ = 8957520.

The previous prime is 10997771. The next prime is 10997797. The reversal of 10997777 is 77779901.

It is a cyclic number.

It is not a de Polignac number, because 10997777 - 2⁴ = 10997761 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

10997777 is a modest number, since divided by 7777 gives 1099 as remainder.

It is not an unprimeable number, because it can be changed into a prime (10997771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12374 + ... + 13232.

It is an arithmetic number, because the mean of its divisors is an integer number (825600).

Almost surely, 2^10997777 is an apocalyptic number.

It is an amenable number.

10997777 is a deficient number, since it is larger than the sum of its proper divisors (2211823).

10997777 is an equidigital number, since it uses as much as digits as its factorization.

10997777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 194481, while the sum is 47.

The square root of 10997777 is about 3316.2896435625. The cubic root of 10997777 is about 222.3830265090.

The spelling of 10997777 in words is "ten million, nine hundred ninety-seven thousand, seven hundred seventy-seven".