10977397 has 4 divisors (see below), whose sum is σ = 11018176. Its totient is φ = 10936620.

The previous prime is 10977389. The next prime is 10977401. The reversal of 10977397 is 79377901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79377901 = 29 ⋅2737169.

It is a cyclic number.

It is not a de Polignac number, because 10977397 - 2³ = 10977389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10977797) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19983 + ... + 20524.

It is an arithmetic number, because the mean of its divisors is an integer number (2754544).

Almost surely, 2^10977397 is an apocalyptic number.

It is an amenable number.

10977397 is a deficient number, since it is larger than the sum of its proper divisors (40779).

10977397 is an equidigital number, since it uses as much as digits as its factorization.

10977397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40778.

The product of its (nonzero) digits is 83349, while the sum is 43.

The square root of 10977397 is about 3313.2155076300. The cubic root of 10977397 is about 222.2455754439.

The spelling of 10977397 in words is "ten million, nine hundred seventy-seven thousand, three hundred ninety-seven".