11377997 has 2 divisors, whose sum is σ = 11377998. Its totient is φ = 11377996.

The previous prime is 11377967. The next prime is 11378009. The reversal of 11377997 is 79977311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8491396 + 2886601 = 2914^2 + 1699^2 .

It is a cyclic number.

It is not a de Polignac number, because 11377997 - 2⁸ = 11377741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11377937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5688998 + 5688999.

It is an arithmetic number, because the mean of its divisors is an integer number (5688999).

Almost surely, 2^11377997 is an apocalyptic number.

It is an amenable number.

11377997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11377997 is an equidigital number, since it uses as much as digits as its factorization.

11377997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83349, while the sum is 44.

The square root of 11377997 is about 3373.1286663867. The cubic root of 11377997 is about 224.9168219294.

The spelling of 11377997 in words is "eleven million, three hundred seventy-seven thousand, nine hundred ninety-seven".